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Answer:

The primary methods used to extract minerals from the ground are: Underground mining. Surface (open pit) mining. Placer mining.

Answer:

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Answer:

Electron

Explanation:

This would be the smallest electron since its mass is the smallest.

No answer choices but I might think you're talking about

Answer:

Cells are limited by their surface area to volume ratio and they come in many different shapes. A cell's function is determined, in part, by its shape.

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Answer:

Function

Explanation:

The shape of the cell, the organelles within it as well as how many of those organelles are present play a huge role in the cells function.

For example, muscles cells will have lots of mitochondria that are used for ATP production, needed in movement.

Lung cells will have ridges or groves in them that increase the cells surface area that make them much more effective at the diffusion of oxygen and carbon dioxide when breathing.

Answer:

equilibrium

Explanation:

The term that is used to describe the state in which molecules are evenly distributed in the available space is dynamic equilibrium.

The molecules of a substance refers to a group of two or more atoms of the substance held together b chemical bonds.

Molecules of solids are fixed about a particular point except they are dissolved in solution. Molecules of liquids and gases, however, move about randomly.

When the molecules of a particular substance are more to one side between two adjacent points in a space, a gradient is created. However, when the molecules of the substance are uniformly distributed in a space, they are said to be in dynamic equilibrium.

More on the movement of molecules can be found here: https://brainly.com/question/2284581

Answer:

A. Pancreas

Explanation:

Answer:

Pancreas

Explanation:

The pancreas contains exocrine glands that produce enzymes important to digestion. These enzymes include trypsin and chymotrypsin to digest proteins; amylase for the digestion of carbohydrates; and lipase to break down fats.

Answer:

Stars are formed such that their death led to the creation of life.

Explanation:

The Big Bang theory was developed in 1927. This theory helps to understand how the universe was created. According to this theory, hydrogen gas was created through a process of expansion and explosion. As a result, stars are formed such that their death led to the creation of life.

Earth formed around 4.54 billion years ago which is equal to approximately one-third of the age of the universe.

Answer:

C. a preoccupation with the idea of being sick

Explanation:

Hypochondriasis and pain disorder are two conditions that deviates from the normal human health. Hypochondriasis, also known as health anxiety, is a condition whereby an individual is fearfully worried about having a serious illness. On the other hand, pain disorder is a condition in which pain results in certain areas of an individual's body due to psychological disposition of such individual i.e. his/her mindset.

Based on the description of both conditions above, it can be observed that both hypochondriasis and pain disorder are as a result of a preoccupied mindset of being sick. One is worried PSYCHOLOGICALLY about being terribly ill (Hypochondriasis) while the other PSYCHOLOGICALLY induces pain on him/herself.

Answer:

A

Explanation:

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Answer:

The air is really a mixture of many different gases, and each gas has its own properties. The composition of air is not constant. It can vary from time to time and place to place.

Answer:

The composition of air is not constant. It can vary from time to time and place to place.

Explanation:

Answer:

Meiosis

Explanation:

Answer:

shape, pattern, size i took the test

Explanation:

Answer:

shape pattern and size

Explanation:

Answer:

Please u didn't finish your question. Please re-write ur question so that people who know the answer to ur question answer it. Hope u don't find it ..... to report it.

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The parts of endoplasmic reticulum that do not have ribosomes are called Smooth Endoplasmic Reticulum(SER).

Explanation:

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Answer: the handler should retreat and reduce stress

Explanation:

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Answer:

125.6

Explanation:

if you wrote a question from geometry, its 125.6 ft

Answer: Thermal energy flows from a warmer material to a cooler material.  When thermal energy is transferred to a material, the motion of its particles speeds up and its temperature increases. There are three ways heat is transferred into and through the atmosphere: Radiation, conduction and convection.

Radiation is when energy, in the form of electromagnetic radiation, is emitted by a heated surface in all directions and travels directly to its point of absorption at the speed of light; thermal radiation does not require an intervening medium to carry it. Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules. Convection is heat transfer by mass motion of a fluid such as air or water when the heated fluid is caused to move away from the source of heat, carrying energy with it.

Answer:

true

Explanation:

Answer:

TRUE

Thats what the florida keys are a chain of islannds

Answer:

This kind of cell does not have a large central vacuole. ... An organelle found in most eukaryotic cells described as "cellular power plants", because their primary function is to convert organic materials into energy in the form of ATP. Nucleolus. This organelle, found in the nucleus, produces ribosomes.

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Answer:

Scientists understood that species share a common ancestor.

Explanation: i just took a quiz and got it right

Answer:

A.

Explanation:

Answer:

a position from which to measure future distance

Explanation:

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Answer:

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Explanation:

Answer:

The correct answer is -

the neurotransmitters are broken down in the synapse

The presynaptic neuron absorbs the neurotransmitters

Explanation:

The termination of the neurotransmitters is essential as if they can cause harm by continuing the stimulus effect on the muscles or cells. To clean up these neurotransmitters there are two ways- Degradation of neurotransmitters with the help of enzymes in the synapses or synaptic cleft and the presynaptic neurons absorbs or suck up neurotransmitters. The neuron (presynaptic neuron) is that releases the neurotransmitter like dopamine, serotonin, is the one that re-uptake it.

This reuptake is done by transporter proteins that are are symporters in nature as these proteins pump neurotransmitters as well as ions back into the neuron.

Answer:

false

Explanation:

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Answer: Cell biology encompasses both prokaryotic and eukaryotic cells and can be divided into many sub-topics which may include the study of cell metabolism, cell communication, cell cycle, biochemistry, and cell composition. Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions. The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles. The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles.

Explanation:

Answer:

the answer is a

Explanation:

i did that test an a is right

Answer:

c

Explanation:

because of the arrows are pointing the direction of witch  it went to make the rift