How can hydrotropism cause problems? A: Plants will absorb most of the water from the source.
B: Plants can grow near water sources preventing access to other organisms.
C: In cities, plants can grow in drainpipes causing it to back up.
D: Plants can cause water to become polluted.

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.