What is a high speed, high altitude wind that moves air masses?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.

Can a trait be both polygenic and have multiple alleles? explain why or why not.