True or false a healthy aquatic ecosystem has a wide range of species diversity.

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.

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

Explain the process that creates the heat of the sun?