If the pH of a solution changed from 5.5 to 3.5, how much does the concentration of hydrogen ions change? 1 - increases by 2 2 - increases by a factor of 2 3 - increases by a factor of 10 4 - increases by a factor of 20 5 - increases by a factor of 100

Ecology can best be described as the study of what

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.

The wind is to parities grasses because it them