Author Question: The production of hydrogen to power cars in the United States requires A) nearly a million ... (Read 16 times)

iveyjurea · **on:** Jul 16, 2018

The production of hydrogen to power cars in the United States requires

A) nearly a million gallons of freshwater each day.
B) a net input of energy.
C) fusion reactions typical of nuclear power plants.
D) fermentation using water and sugars.

Question 2

In hydrothermal vent communities, we would not expect to find

A) carbon compounds.
B) chemosynthesis.
C) chlorophyll.
D) producers.