The influx of nitrogen is not healthy for an aquatic ecosystem because it is not something that normally appears in that environment. It can damage the plants and animals that live in the ecosystem. It can also affect the water and soil were the plants and animals live.
The blood would get pumped to the bottom of the ventricle, and no blood flow would occur.
Answer:
Andrea will study how many species in the area have gone extinct or endangered.
Explanation:
Explanation:
nucleus
Over 99.9 percent of an atom's mass resides in the nucleus. The protons and neutrons in the center of the atom are about 2,000 times heavier than the electrons orbiting around it.
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