Stratospheric ozone varies on the earth as the levels are higher near Antarctica than near the Arctic.
<h3>What do you mean by Ozone?</h3>
Ozone may be defined as a gas that is composed of three atoms of oxygen. It is highly reactive in nature. It is found in the earth's upper atmosphere.
The level of ozone is found to be thickest at the poles as compared to the equator. This is because excessive sunlight weakens the ozone layer in the equatorial region.
Among both poles, the ozone is generally higher near Antarctica than near the Arctic.
Therefore, stratospheric ozone varies on the earth as the levels are higher near Antarctica than near the Arctic.
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Answer: A, excessive pollution decreases a communities access to affordable clean water.
Explanation: ap3x
Microscope are the important tools which are used by scientist. For example, in material science, medicine, mineralogy and microbiology.
Light microscope is able to send light. Light is being focused in a tight breath whereby that light passes through a sample which later it is able to create an image. This image passes to different lenses which magnifies it until it reaches the camera.
There are different types of microscope for example, Compound light microscope, Simple light microscope, and monocular microscope.
In simple light microscope only one lens which which is being used to magnify an object and it is not able to reach to a higher magnification.
In compound light microscope it uses two lenses to produce image. For example eyepiece lens and objective lens.
D. vacuole
Vacuoles are the largest organelles, especially in plant cells
Answer:
Choices 1, 2, and 3 describe the cardiovascular ( circulatory ) system
Choice 4 represents the excretory system