The equivalent depth of water in the soil is 270 mm and the volumetric water content of soil is 5625 cubic meter/ 1.5 hectare of soil.
How can equivalent depth of water in a soil be calculate?The equivalent depth of water in a soil is calculated using the formula below:
equivalent depth of water = water content × depth of soilThe depth of soil profile 1 = 1 m = 1000 mm
The depth of soil profile 2 = 600 mm
Equivalent depth of water in the soil = 15% × 1000 mm + 20% × 600 mm
Equivalent depth of water in the soil = 150 mm + 120 mm
Equivalent depth of water in the soil = 270 mm of water
The volumetric water content of the soil is calculated using the formula below:
Volumetric water content = water content × bulk density of soil/density of water × height of soilHeight of soil profile 1 = 1 m
Height of soil profile 2 = 0.6 m
Volumetric water content of soil profile 1 = 15% × 1300/1000 × 1 m = 0.195 cubic meter/square metre of soil
Volumetric water content of soil profile 1 = 20% × 1500/1000 × 0.6 m = 0.18 cubic meter/square metre of soil
Total Volumetric water content of soil = 0.18 + 0.195 = 0.375 cubic meter/square metre of soil
Converting to cubic meter/hectare of soil:
0.375 cubic meter/square metre of soil
1.5 hectares = 15000 square metre
Volumetric water content of soil = 0.375 × 15000 cubic meter/ 1.5 hectare of soil
Volumetric water content of soil = 5625 cubic meter/ 1.5 hectare of soil
Therefore, the equivalent depth of water in the soil is 270 mm of water and the volumetric water content of soil is 5625 cubic meter/ 1.5 hectare of soil.
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The force of blood in the arteries that creates a throbbing at specific locations of the body is knows as
A. Palpitations
B. Blood pressure
C. Heart beat
D. Pulse
How do we describe the links between producers and consumers?
A. Food chain
B. Distribution chain
C. Plant production
D. Sun consumption
Answer:
B
Explanation:
Which statement about predator and prey adaptations is correct?
A. Only predators benefit from having poison.
B. Only prey benefit from camouflage.
C. Both prey and predators can benefit from high speed.
D. Only predators benefit from good vision
Natural Selection For Biology
Natural Selection For Biology
Natural Selection For Biology
18
16
5
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Generation Dark Bears Light Bears
1
4
15
2
2
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4
6
4
4
6
5
6
6
6
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2
7
6
2
8
10
2
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4
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16
6
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2
0
1 2 3 4 5 6 7 8 9 10
0 a M M N O
Dark Bears Light Bears
Answer:
6
Explanation:
it's normal for it to be correct
100pts for every person with the most correct questions i will give brainiest
Question 1. In some lizard species, a short tail is recessive and a long tail is dominant. According to the principle of dominance:
a lizard with a tt genotype will have a long tail
a lizard with a tt genotype will have a short tail
a lizard with a Tt genotype will have a short tail
a lizard with a TT genotype will have a short tail
Question 2. S#x-linked disorders _____.
affect females more than males
affect males more than females
affect both s#xes equally
Question 3. Choose all the answers that apply.
In some flower species, pink flowers are recessive and yellow flowers are dominant. A pink flower:
has one dominant and one recessive gene
has two equally dominant color genes
has the same genotype as a yellow flower
has two recessive genes
has a phenotype of pp
Question 4. In some goats, white hair is dominant and black hair is recessive. Which of the following statements is true?
Color in goats is a s#x-linked trait.
A gray goat (Ww) expresses incomplete dominance.
A gray goat (Ww) must have a mutated gene.
A black goat (ww) expresses codominance.
Have A Great Day!
Answer:
what
Explanation:
how does grass affect the movement of water?
Answer:
Even turf grass lawns restrict water flow into the ground and actually become nearly as impervious as paved surfaces because of turf grass’s densely-matted root structure. During and after a rainstorm, water rushing off impervious surfaces can be significant. This water is called runof
Explain the importance of ground tissue in plants?
Answer:
Ground tissue carries out different functions based on the cell type and location in the plant, and includes parenchyma (photosynthesis in the leaves, and storage in the roots), collenchyma (shoot support in areas of active growth)
Explanation:
Which of the following was NOT one of Ghana's chief trading exports?
A. Horses
B. Gold
C. Ivory
D. Slaves
Answer:
D im not sure
Explanation:
Correct me if its wrong
Slaves was NOT one of Ghana's chief trading exports.
What is meant by Ghana's chief trading?When the king was not busy enforcing his power among the people, he was spreading it internationally through trade. At its peak, Ghana was chiefly bartering gold, ivory, and slaves for salt from Arabs and horses, cloth, swords, and books from North Africans and Europeans.Ghana's main exports are gold, cocoa beans and timber products. Others include tuna, aluminum, manganese ore, diamonds and horticulture.Slaves was NOT one of Ghana's chief trading exports.
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What activity is the main cause of smog?
O CFC use in spray cans
O fossil fuel use in automobiles
O release of ozone by factories
O pesticide use on farms
Answer:fossil fuel use in automobiles
Explanation:
2. Fill in the table below by writing the complementary strand of DNA that would
be formed by each template strand. (4 points)Hint: C pairs with G, and T pairs
with A.
Template Strand
Complementary Strand
GCA AG
I
TTA CG
GAT AC
CGG AT
3. Fill in the table below by writing the strand of mRNA that would be formed
by each strand of DNA. Hint: In RNA, A pairs with U.(4 points)
The complementary strands will be CGU UC (GCA AG), AAU GC (TTA CG), CUA UG (GAT AC) and GCC UA (CGG AT).
What is base complementarity?In genetics, base complementarity can be defined as the match of nucleotide bases formed by hydrogen bonds.
In RNA, the Thymine nucleotide bases are replaced by Uracil nucleotide bases during complementarity.
Base complementary occurs because Adenine always pairs with Thymine, while Guanine pairs with Cytosine.
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Removing a flower’s stigma would initially affect
Answer:
Pollination.
Explanation:
Removing a flower’s stigma would initially affect pollination.
Removing a flower’s stigma would initially affect pollination.
The stigma is found in the pollen-bearing part of the flower, which is called the “gynoecium”. The stigma’s primary purpose is to pull pollen grains out of the air using its sticky tip in order to reproduce.
If a flower does not have an anther or stigma, then the flower may be cross-pollinated. Cross-pollination occurs when pollen from one flower fertilizes the pollen of another flower. In other words, pollen from one plant fertilizes pollen from another plant.
When the stigma is taken off before pollination occurs, then the pollen grains do not collect in the receptive area of the flower.
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All of the following countries were impacted by Chernobyl EXCEPT...
A. Great Britain
B. Brazil
C. Norway
D. Germany
Answer:
Brazil is the Answer.
Explanation:
Brazil was not impacted by chernobyl.
Answer:D. Germany
Explanation:
After the Chernobyl reactor accident areas outside the former Soviet Union especially in Central Europe, South East Europe and parts of Scandinavia were affected by the reactor accident. To date, there is no evidence that the reactor accident has caused adverse health effects due to radiation in Germany.
Give two other names for bacteria capsule and list any four important function
Answer:
Macro-capsule: thickness of 0.2µm or more, visible under light microscope
Microcapsule: thickness less than 0.2µm, visible under Electron microscope
Explanation:
It has several functions: promote bacterial adhesion to surface or interaction with other organisms; act as a permeability barrier, as a defense mechanism against Phagocytosis and/or as a nutrient reserve. Among pathogens, capsule formation often correlates with pathogenicity
correct me if I'm wrong
Answer:
Capsule (also known as K antigen) is a major virulence factor of bacteria, e.g. all of the principal pathogens which cause pneumonia and meningitis, including Streptococcus pneumoniae, Haemophilus influenzae, Neisseria meningitidis, Klebsiella pneumoniae, Escherichia coli, and group B streptococci have polysaccharide capsules on their surface. Nonencapsulated mutants of these organisms are avirulent.
It has several functions: promote bacterial adhesion to surfaces or interaction with other organisms; act as a permeability barrier, as a defense mechanism against phagocytosis and/or as a nutrient reserve. Among pathogens, capsule formation often correlates with pathogenicity.
Explanation:
A person who likes social situations and can lack concentration is
A. unstable
B. an extrovert
C. stable
D. an introvert
Answer:
an extrovert
Explanation:
Dizziness, pale and ashen colored skin, pain and pressure in the jaw or chest are all signs and
symptoms of:
A. A seizure
B. A stroke
C. A heart attack
D. An aneurism
Several species of finch live on the Galapagos Islands. They are very similar in appearance, but have adapted beaks of different sizes and shapes based on their major food source. Finches with large beaks eat mainly large seeds and cacti. Finches with small beaks eat mainly small seeds and insects. Which of the following best explains the variety of beaks found in finches on the Galapagos Islands? A. Evolution through natural selection always causes a decrease in the species diversity of an ecosystem. B. Biological evolution does not have any effect on the species diversity of an ecosystem. C. Biological evolution only affects the species diversity of plants in an ecosystem. D. Evolution through natural selection can increase the species diversity of an ecosystem
Answer:
D is the correct answer
Explanation:
Evolution by natural selection can only act on traits initially present. In the common ancestor, there would have been one beak, but in the offspring, there would have been variation in beak size and shape. As natural selection acts on that variation, different species end up with traits adapted to different conditions, thus increasing the species diversity.
An analysis of rock types in the area of the Acadia National Park shows a variety of geology in the region. Which evidence would support the theory that rocks in the area of the national park were formed from previous volcanic activity? Select ALL that apply.
A) the presence of igneous rocks
B) the presence of sedimentary rock
C) the presence of metamorphic rock
D) the presence of carbonate rock types
E) the presence of granite rock features
The presence of igneous rocks and granite rock features would support the theory of previous volcanic activity.
If an analysis of rock types in the area of the Acadia National Park shows the presence of igneous rocks and granite rock features, it would support the theory that the rocks in the area were formed from previous volcanic activity.
Igneous rocks are formed from the solidification of magma or lava, which are products of volcanic activity.
Granite is a type of igneous rock that forms from the slow cooling and solidification of magma beneath the Earth's surface.
The presence of sedimentary, metamorphic, or carbonate rock types would not support the theory of previous volcanic activity because these types of rocks are formed through different processes, such as sedimentation, heat and pressure, and chemical reactions.
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Explain the 4 parts of Darwin's Theory Parts.
1. Variation
2. Overpopulation
3. Adaptation
4. Descent with Modification
Your answer:
Answer:
The key points for the Darwin theory are
Explanation:
Charles Darwin was a British naturalist who proposed the theory of biological evolution by natural selection.
Darwin defined evolution as "descent with modification," the idea that species change over time, give rise to new species, and share a common ancestor.
The mechanism that Darwin proposed for evolution is natural selection. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction will tend to leave more offspring than their peers, causing the traits to increase in frequency over generations.
Natural selection causes populations to become adapted, or increasingly well-suited, to their environments over time. Natural selection depends on the environment and requires existing heritable variation in a group.
What is evolution?
The basic idea of biological evolution is that populations and species of organisms change over time. Today, when we think of evolution, we are likely to link this idea with one specific person: the British naturalist Charles Darwin.
In the 1850s, Darwin wrote an influential and controversial book called On the Origin of Species. In it, he proposed that species evolve (or, as he put it, undergo "descent with modification"), and that all living things can trace their descent to a common ancestor. What exactly is a species?
Darwin also suggested a mechanism for evolution: natural selection, in which heritable traits that help organisms survive and reproduce become more common in a population over time. What does "heritable" mean?
In this article, we'll take a closer look at Darwin's ideas. We'll trace how they emerged from his worldwide travels on the ship HMS Beagle, and we'll also walk through an example of how evolution by natural selection can work.
Early ideas about evolutionInfluences on Darwin
Darwin and the voyage of the Beagle
Darwin's seminal book, On the Origin of Species, set forth his ideas about evolution and natural selection. These ideas were largely based on direct observations from Darwin's travels around the globe. From 1831 to 1836, he was part of a survey expedition carried out by the ship HMS Beagle, which included stops in South America, Australia, and the southern tip of Africa. At each of the expedition's stops, Darwin had the opportunity to study and catalog the local plants and animals.
Over the course of his travels, Darwin began to see intriguing patterns in the distribution and features of organisms. We can see some of the most important patterns Darwin noticed in distribution of organisms by looking at his observations of the Galápagos Islands off the coast of Ecuador.
PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASEAnswer:
individuals of a species are not identical; traits are passed from generation to generation; more offspring are born than can survive; and only the survivors of the competition for resources will reproduce.
Variation :
Within a population, some traits can be expressed in various ways and make individuals look and behave differently. It can be hair color, body size, eyes color, reaction while facing a danger, ...
Inheritance:
Heritable traits are transmitted to the next generation.
High rate of population growth:
At each generation, the population produces more offspring than what the local environment can support. It leads to substantial mortality.
Differential survival and reproduction:
Individuals with the best combination of traits to survive in the actual environment will produce more offsprings for the next generation
Explanation:
It took a snail 5 seconds to travel 10 inches. How fast was the snail moving?
Answer:
The snale went 0.5 inches per second
Explanation:
The equation for speed is: S = d/t
The sail too 5 Seconds to travel 10 inches** this is were you have all your information needed
Now solve
S= 5/10
all you have to do is simplify
D= 1/2
and convert into demile
0.5
now make a statement
The snail went 0.5 inches per second
Two degrees Celsius is equal to how many degrees Fahrenheit?
Answer:
35.6°F
Explanation:
Given:
Two degrees celsiusCalculate:
(2°C × 9/5) + 32 = 35.6°FCelsius Formula:
Celsius to Fahrenheit⇒ ° F = (9/5 × °C) + 32
Fahrenheit to Celsius⇒ ° C = 5/9 ( ° F - 32 )
Diabetes is the result of insufficient glucose uptake by the cells from the blood. Two patients were tested for diabetes by measuring their blood glucose levels after eating. Determine the best type of graph and plot the data presented in table 6
Time after eating (hours)
0, 0.5, 1, 1.5, 2, 2.5. 3, 4
Glucose in mg/dl Person A
75, 170, 155, 150, 140, 130, 120, 105,
Glucose in mg/dl Person B
70, 170, 200, 260, 255, 245, 230, 200
Answer:
ExplanationQual desses eventos ocorre durante a replicação do DNA?
A DNA polimerase sintetiza uma fita complementar a partir de uma, mas não de ambas as
fitas originais.
A DNA polimerase sintetiza uma fita complementar de cada uma das fitas originais.
A DNA ligase quebra uma das fitas originais, e outras enzimas remontam os
componentes em uma nova fita,
a DNA ligase separa ambas as fitas originais e outras enzimas remontam os
componentes em duas novas fitas.:
What is the most ancient type of life on Earth?
O eukaryotes
O prokaryotes
• fungi
O protists
Answer:
Fungi
Explanation:
Funtgi is one of the oldest things on earth and also one of the largest populations of things today.
Im giving 30 points please give correct answers. Research the industrial revolutions in the 1800s. the evaluate the following claim the industrial revolutions led to a dramatic population explosion. construct a argument to support or refute the claim using evidence from your research.
Answer:
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Explanation:
Vascular tissue allows a plant to transport water
against the pull of gravity. Which statement best
describes the trait of vascular tissue in the plant
kingdom?
A. All plants use vascular tissue to transport water.
B. Most plants, but not mosses and other bryo-
phytes, use vascular tissue to transport water.
C. Only woody plants, such as trees and shrubs,
use vascular tissue to transport water.
D. Only herbaceous plants, such as grasses and
garden vegetables, use vascular tissue to trans-
port water
Answer:
the answer is B
Explanation:
Mosses and liverworts are lumped together as bryophytes, plants lacking true vascular tissues, and sharing a number of other primitive traits. They also lack true stems, roots, or leaves, though they have cells that perform these general functions.
What two processes increase genetic diversity during meiosis?
Answer:
Crossing over
Independent assortment
Explanation:
In a healthy person, red blood cells, platelets and plasma proteins are
A- absent in filtrate and urine
B- absent in filtrate and present in urine
C- present in filtrate and urine
D-absent in urine and present in filtrate
In a healthy person without kidney impairment, red blood cells, platelets and plasma proteins are absent in filtrate and urine.
What is glomerular filtration?Glomerular filtration is a process in which the blood is filtered to remove waste products of metabolism from the body leading to the formation of urine.
The glomerulus is a found in the kidney as filtration occurs there.
The product of filtration is known as glomerular filtrate.
In a healthy person, red blood cells, platelets and plasma proteins are absent in filtrate and urine.
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what process will you see to recover salt, which has dissolved in water?
Answer:
What process will you use to recover salt which has dissolved in water?
Explanation:
You can boil or evaporate the water and the salt will be left behind as a solid. If you want to collect the water, you can use distillation. This works because salt has a much higher boiling point than water. One way to separate salt and water at home is to boil the salt water in a pot with a lid.
The graph below shows how the price of wheat varies with the demand quantity.
Suppose that an increase in production costs decreases the supply of wheat, such that less wheat is supplied at each price level. The new equilibrium quantity (after the decrease in supply) is _____.
400
600
Answer:
400
Explanation:
Over 300 years ago, people believed that rats formed from garbage that collected in the streets of a city. Piles of trash were placed in
the streets and within days, rats appeared. Evaluate the statements below and select those that correctly describe this theory about
the origin of life. Select ALL that apply.
Answer:He is putting a common misconception to rest. He is trying to get the reader's attention. He is addressing his concern in a serious way.
Explanation:
What does water quality mean?
- Factors that affect water quality. Explain how they affect water quality and the
ideal level for each.
- Temperature:
- pH:
- Dissolved Oxygen:
- Nitrates and Phosphates:
- Turbidity:
- Bioindicators: