Answer:
part of the immune system does not function properly
Explanation:
or A on edge
<span>One observation would be the physical size of Russia compared to other countries, despite a lack of visible borders from space. In addition, part of Russia's outline would likely be obscured by the various clouds and objects in the stratosphere; this would allow the astronaut to view potential cloud and weather patterns on earth. Also, an astronaut could see outlines of Russia's geography such as mountain ranges.</span>
Answer: I believe the answer is C
Nonpoint source pollution comes from several locations. If they cannot find the origin of the pollution it can be almost impossible to regulate. Or they may not have enough funding.