Dolphins use echolocation to help them navigate. They limit the sound that bounces of objects in the front of them. Dolphins are able to navigate their surroundings based on how long it takes the sound to return. What property of waves are dolphins using told them find their way around the environment

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.