Mike is designing a new brand of earphones. He needs to make the ear phones small enough to fit inside a person's ears. But if the earphones are too small, the speakers inside of them will not be able to generate a high-quality sound. Mike also knows that the earphones will be used by people as they exercise. So he needs them to be able to withstand sweat as well as hot and cold weather.

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.