Multiple Choice
One of the greatest human impacts on natural ecosystems results from
A) the disruption of natural biogeochemical cycles.
B) the generation of electricity from nuclear energy.
C) the use of our oceans for shipping and transportation.
D) the use of the sun and wind to generate electricity.
Correct Answer:

Verified
Correct Answer:
Verified
Q16: Why are there so few ecosystems with
Q17: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6376/.jpg" alt=" -Which of the
Q18: Biomes with less than 25 centimeters (10
Q19: Biomes with permafrost are most likely<br>A)covered in
Q20: Which biome is characterized by permafrost?<br>A)tundra<br>B)high latitude
Q22: Energy transfer between trophic levels in aquatic
Q23: About 10% of a large forest experienced
Q24: Our increasing human population requires that future
Q25: To feed its young,an owl captures mice
Q26: As you paddle along in your canoe,you