Answer: option A is the correct answer
Explanation:
1.true 2.false 3.the diffusion of water across a membrane 4.Rr
The good thing about a dam is that electricity can be created by mechanical means. That does not affect the atmosphere. Storing such production is a different matter.
The bad thing about a dam is that it wreaks havoc on the land where the water is stored behind the dam.
They grow much faster and they grow to be larger than normal crops.