Answer:
one thing that is harmful is pollution. it kills lots of sea life and harming out air. a way we can pollute in a helpful way is to only throw things on the ground that is biodegradable and not plastic
Explain why deeper soils are affected less by erosion than shallow soils.
Pls help me ASAP!!!
Answer:
These impacts include compaction, loss of soil structure, nutrient degradation, and soil salinity. The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species.
A high relative humidity and sunshine hinder heat loss from the body by their adverse effects on the body, respectively, as:
The correct option (C) decreased evaporation and increased radiation.
Why does relative humidity climb the most just before dawn?
The ability of the air to hold water vapor increases with temperature. As a result, relative humidity rises as the temperature rises and reduces as it approaches the dew point. Around daybreak, when the nighttime low temperature is generally quite close to the dew point, the relative humidity is typically at its peak.
How does a high relative humidity affect things?
The "Heat Index" is the name given to this combined impact. The heat index increases with increasing air temperature and/or relative humidity, making the outside air seem hotter to our bodies.
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A high relative humidity and sunshine hinder heat loss from the body by their adverse effects on the body, respectively, as:
A. increased condensation and radiation
B. increased convection and radiation
C. decreased evaporation and increased radiation
D. decreased condensation and decreased radiation
E. increased evaporation and increased convection
_____ produces most of the Earth’s oxygen
a) Land plants
b) Soil bacteria
c) Photosynthesizing algae
d) Bacteria in the intestines
20 points need an answer asap taking quiz ow !!!
Photosynthesizing algae produces most of the Earth’s oxygen.
What are Photosynthesizing algae?By converting light energy to chemical energy through the process of photosynthesis, carbon dioxide and water are transformed into organic molecules.
Nearly all algae engage in the process, and in fact, much of what is currently known about photosynthesis was first uncovered through research on the green alga Chlorella.
The enzyme ribulose bisphosphate carboxylase binds carbon dioxide to ribulose bisphosphate, a 5-carbon sugar with two linked phosphate groups, during the dark processes.
Photosynthesizing algae produces most of the Earth’s oxygen.
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What condition are needed do an accurate radiometric date to be obtained form a mineral ample?
The necessary condition is that the mineral must remain closed since its formation.
Radiometric dating, radioactive dating, or radioisotope dating is used to date rocks and carbon with trace radioactive impurities.
Heat, pressure, and temperature do not affect isotope decay. Radiometric dating is reliable. This method dates igneous and metamorphic rocks that sedimentary stratigraphic correlation cannot. 300 natural isotopes exist.
The parent's half-life must be known and long enough for it to be present in significant amounts at the time of measurement for accurate radiometric dating. Thus, mineral samples require these conditions for radiometric dating.
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A) Which kingdoms include organisms that have a nucleus?
B) Which kingdoms include organisms that can make their own food?
Explanation:
A) Cells of protist organisms do contain a nucleus. This kingdom is made up of species that do not really easily fit into other kingdoms such as the plant, animal, and fungi kingdom.
B
plants are autotrophs, organisms that make their own food. With over 250,000 species, the plant kingdom is the second largest kingdom.
Explanation:
a) protoctists
b) plant kingdom
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What is the difference between populations and communities?
O Populations are of the same species in an area, communities are different species within an area
O Populations are different species, communities are of the same species
O The only difference is how the individuals cooperate with each other or not in the same species
O The only difference is how individuals cooperate or not between different species
Answer:
b
Explanation:
it's kind of a trick question but im pretty sure this is the answer
What happens when CO2 increases in the ocean?
More carbon dioxide is evaporating into the ocean as a result of human-driven increases in atmospheric carbon dioxide concentrations. Currently, the ocean has an average pH of 8.1, which is basic (or alkaline), but when more CO2 is absorbed, the pH drops and the ocean becoming more acidic.
Ocean acidificationCarbon dioxide dissolves in seawater as it reaches the ocean. It first creates carbonic acid. The carbonic acid then "dissociates," or separates, into bicarbonate ions and hydrogen ions. Ocean acidification is caused by an increase in hydrogen ion concentration and a decrease in carbonate ions as a result of increasing CO2 absorption.
Carbonate ions are necessary for the growth of the shells and thriving of clams, mussels, crabs, corals, and other marine life.
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Please help!
Students in Ms. Brown's class are making observations in the garden outside of the school. They make a list of all the abiotic and biotic factors in their notebook. Part of the list is below:
Gravel
Grass
Butterfly
Sunflower
Bird feeder
Flowerpots
Which items on the list are a part of the garden ecosystem?
A- Gravel, bird feeder, flowerpots
B- All the listed items are part of the ecosystem
C- None of the listed items are a part of the ecosystem
D- Grass, butterfly, sunflower
Answer:
It is D- grass, butterfly, sunflowers
The items throughout the list like grass, butterflies, and sunflowers are a component of the gardening ecosystem.
What exactly is an ecosystem?An ecosystems is an area where vegetation, animals, and certain other organisms interact with the surrounding environment, weather, and other variables to form a bubble of life. In ecosystems, biotic and abiotic factors—or nonliving ingredients. Biotic variables include plants, animals, and other types of species.
Why are ecosystems so important?Ecological systems keep our soil healthy, purify our air, regulate our temperatures, recycle elements, and provide us with food. They provide tools and raw ingredients for producing medicines and many other goods. They form the foundation of civilization and sustain our economies.
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PLS HELP MEEEE!!!!!!!
Answer:
B. Introduced pollutants like fertilizers
Explanation:
The damage from runoff of fertilizers is very significant.
. An organism that has two different alleles of a given gene has a(n) _____ genotype. aneuploid dizygous heteromorphic heterozygous homozygous
An organism that has two different alleles of a given gene has a(n) heterozygous genotype. aneuploid dizygous heteromorphic heterozygous homozygous
Heterozygous genotypes are characterized by two different alleles of a particular gene. These alleles can be inherited from different parents or from the same parent, and this type of genotype is also known as a dizygous genotype.
An example of this is eye color; if an individual has one allele for blue eyes and one allele for brown eyes, they would have a heterozygous genotype. This type of genotype is important for producing genetic diversity, allowing for adaptations that can be beneficial to a species. It is also important to note that having a heterozygous genotype does not guarantee that the individual will express the traits of both alleles; rather, the individual will usually express the trait of the dominant allele.
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How might a hole between the ide of the heart affect the functioning of the cardiovacular ytem ?
The hole allows oxygen-rich blood to return to the lungs rather of leaving them to the rest of the body. Blood with and without oxygen now blend together.
The blood pressure within the arteries that supply the lungs may rise if the pulmonary valve defect is significant. To pump blood, the heart thus has to exert more effort. The hole increases that volume of blood passing through the lungs, which over time might harm the blood vessels there. Adult issues, such as excessive blood pressure with in lungs as well as heart failure, may result from damage to the blood veins in the lungs. The left side of the heart may pump too hard and the lungs may get overfilled with blood from a significant atrial septal defect. The left side of the heart ultimately enlarges and weakens if untreated. Pulmonary hypertension can also develop as a result of elevated blood tension in the arteries that supply the lungs.
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In the United States, where can volcanoes like those at B be found?
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Volcanoes are produced when magma rises on top of plate B. Due to the tremendous temperature in the mantle, the leading edge of plate A moved toward the mantle as it subducted beneath plate B and melted.
A volcano mountain is created when magma from the earth's upper mantle surfaces and erupts. the lava flow that is created as magma rises to the surface and deposits ash. A fresh layer of lava is deposited to the surface as the volcano continues to erupt, building up to form a mountain. Divergent, convergent, and transformal plate borders are where the majority of seismic activity takes place.
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Which of the following statements is true regarding the genetic map distance between two markers?
a) Is inversely related to the frequency of chiasma
b) Is directly related to the frequency of crossing-over.
c) Increases in accuracy as the distance between loci increases.
d) Can be estimated by multiplying the recombination frequencies of subinterverals.
e) Adding the subinterverals is less accurate than a direct measure by a two point cross.
The correct option (B) Is directly related to the frequency of crossing-over.
The procedures used to establish the location of a gene and the distances between genes are referred to as gene mapping. Gene mapping may also describe the distances between various locations within a gene.
The purpose of all genome mapping is to place a set of molecular markers on the genome in their proper locations. Molecular markers exist in many different forms and sizes. Genes may be viewed as a type of genetic marker and mapped in the same way as any other marker when creating genome maps. Gene mapping aids in the creation of unique recombinants inside an organism in a variety of fields of study.
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how do you do these ?
A snowstorm was predicted in Chicago. Identify the possible upper air temperature, surface temperature, and air pressure of Chicago on that day. Normal atmospheric pressure is 29.9 inches of mercury
Answer: For a snowstorm to occur, warm air must rise above cold air. The pressure must also be below atmospheric pressure
Explanation: For a snowstorm to occur, warm air must rise above cold air. The pressure must also be below atmospheric pressure
Answer: For a snowstorm to occur, warm air must rise above cold air. The pressure must also be below atmospheric pressure
Necesito una imagen de un embrión de pez y un humano
Answer:
ir a goog.le para fotos eso es todo lo que puedo decir ja.jaja
Explanation:
What causes the air to move in the opposite directions at 16.3 km compared to the surface winds?
you may have noticed that water sticks to surfaces such as glass,which property of water is responsible for this phenomena.
Answer: Adhesion
Explanation:
EARTH SCIENCE //What is true about ice and liquid water?
A. Ice has a higher density than liquid water because it has less space between molecules.
B. Ice has a lower density than liquid water because it has more space between molecules.
C. Ice has a higher density than liquid water because it has more space between molecules.
D. Ice has a lower density than liquid water because it has less space between molecules.
Answer: B
Explanation:
When water freezes it expands.
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Explain the working of device that uses the principle of gas law
Answer:
Gas laws, laws that relate the pressure, volume, and temperature of a gas. Boyle's law—named for Robert Boyle—states that, at constant temperature, the pressure P of a gas varies inversely with its volume V, or PV = k, where k is a constant.
Explanation:
Hope it helps u
FOLLOW Y ACCOUNT PLS PLS
What is the percent composition of fern spore 1 in the sediment of the Early Tertiary? You may write a range
Answer:
Explanation: grains and fern spores to form a picture of the living landscape before and after the K-T event. ... Cretaceous period, Tertiary period, angiosperm, gymnosperm, pollen, spores, extinction, fossil, sediment, ... What is the percent composition of fern spore 1 in the sediment of the Cretaceous period? You may write a range.
The Cretaceous Period, in geologic time, is the last of the three periods of the Mesozoic Era. It followed the Jurassic Period and was succeeded by the Paleogene Period.
Between 5% and 15% is the percent composition of fern spore 1 in the sediment of the Early Tertiary.
What is the link between geological time scale and stratified patterns?The geological time scale and the stratified patterns of visible rocks in the landscape link, with deeper layers being older.Thus, we can conclude that Between 5% and 15% is the percent composition of fern spore 1 in the sediment of the Early Tertiary.
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The vascular cylinder is located in plant _____.
xylem
roots
leaves
stems
Answer:
Roots and/or stemsExplanation:
The vascular cylinder, also know as the stele, is the central part of the root or stem containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue and a pericycle, which, if present, defines the outermost boundary of the stele.
Do whales need oxygen to survive?
Yes, whales need oxygen to survive. Like us, whales are mammals that breathe air into their lungs. Because they lack gills, they can't breathe underwater like a fish can.
A blowhole, or nostril, on top of their heads, allows them to breathe. While swimming or resting beneath the water, this enables them to take deep breaths by only exposing the tops of their heads to the air. The strong muscles that surround the blowhole close it tightly after each breath to prevent water from entering the lungs of the whale or dolphin.
Dolphins only have one blowhole, whereas large whales, with the exception of the sperm whale, have two blowholes.
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Why do phospholipids tend to spontaneously orient themselves into something resembling a membrane?
The hydrophobic, nonpolar regions of Phospholipids must align with each other in order for the structure to have minimal potential energy and, consequently, higher stability.
Because their fatty acid tails are poorly soluble in water, phospholipids spontaneously form bilayers in aqueous solutions, with the hydrophobic tails buried in the interior of the membrane and the polar head groups exposed on both sides, in contact with water.
Phospholipids in the lipid bilayer of a cell membrane orient themselves so that the heads face outward because the heads containing the phosphate group are hydrophilic and the cytoplasm of the cell is an aqueous environment.
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What is hypertension with heart disease?
Hypertensive heart disease is a long-term condition that develops over many years in people with hypertension.
When your high blood pressure (hypertension) is not controlled, it can lead to a variety of health issues, including heart failure and conduction arrhythmias. Hypertensive heart disease is caused by persistently high blood pressure (over 120/80 mmHg). Heart disease risk goes up as people get older and continue to have high blood pressure. People over the age of 65 are more likely to develop heart failure.
Your heart has to work harder to pump blood through your body when you have high blood pressure for an extended period of time.
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Change in a gene pool over time is the definition of _____.
A. metabolism
B. evolution
C. homeostasis
Answer:
B) evolution.........
What happens when protease is added to protein?
When protease is added, proteins breakes into smaller polypeptides or single amino acids, and forms new protein products.
A protease is an enzyme that catalyzes (increases reaction rate or "speeds up") proteolysis, breaking down proteins into smaller polypeptides or single amino acids and promoting the creation of new protein products. It is also known as a peptidase, proteinase, or proteolytic enzyme.
They achieve this by using hydrolysis, a mechanism in which water breaks bonds, to cleave the peptide bonds found in proteins. Protein digestion after ingestion, protein catabolism (the breakdown of aged proteins),[3][4] and cell signaling are only a few of the biological processes that proteases are involved in.
All living forms and viruses have proteases. They have repeatedly developed independently.
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what causes lung cancer
Answer:
smoking ,........
.........
Describe the similarities and differences between alcoholic fermentation carried out by yeast to make alcoholic beverages and lactate-acid fermentation carried out within the human body. Source StylesFormatFontSize
The main difference between alcoholic fermentation and lactic acid fermentation is that of their end-products.
The primary distinction between lactic acid and alcoholic fermentation is that the latter results in the production of ethyl alcohol and carbon dioxide while the former yields lactic acid molecules from pyruvate.
Differences between the two processes include he following:
Pyruvate and lactate are produced directly after fermentation of lactic acid. Pyruvate is converted to ethanol by the two-step process of alcohol fermentation.End-products: Lactase and energy in lactic acid fermentation, while C02, alcohol, and energy in alcoholic fermentation are the end products. The enzymes involved in the fermentation processes of lactic acid are lactate dehydrogenase and pyruvate decarboxylase. Pyruvate decarboxylase and alcohol dehydrogenase are the two enzymes required for alcoholic fermentation.Similarities between the two processes include the following:
The two pathways convert ATPs from the breakdown of glucose.The two processes' major objective is to recycle NAD+ in order to keep glycolysis going and allow for the NAD+ to be reduced back to NADH in the process.Both processes release heat energy and are exergonic.Each produces 4 ATPs during glycolysis, the same amount as the other.To know more about fermentation, refer to the following link:
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Which description best fits the role of macrophages?
O Macrophages engulf pathogens.
O Macrophages make memory cells.
O Macrophages trigger allergies.
O Macrophages make T cells.
Answer:
The first option
Explanation:
Macrophages will try to prevent the spread and kill off the pathogen by fully engulfing them. Essentially the macrophage will try to eat them in order to stope them from doing more harm.
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