The correct answer among all of the given choices would be the third choice, CLOUDS.
I hope this is the answer you were looking for and that it helps!! :)
Answer:It would be all of them
Explanation: Because they all give ideas on how "could a school reduce its use of energy resources
It is important that it has half because there is a half that comes from each parent. so to equal it all out human gametes have a half set of dna instead of a full set
All would be affected because decomposers like to break down dead things meaning dead plants AND animals
