Convergent and divergent global air currents:
A) determine the maximum height a plant can attain.
B) bring dry conditions and rainfall, respectively.
C) bring rainfall and dry conditions, respectively.
D) are the result of the location of mountain ranges.
Question 2
Alexander von Humboldt was the first to notice that:
A) ocean currents brought oxygen to ocean plants.
B) similar vegetation grew in areas with similar climate around the globe.
C) vegetation was distinctly different all around the globe.
D) tectonic plates caused the volcanoes that brought plant nutrients from the earth's core to the surface.