You are at a concert sitting 160 meters away from the speakers on the stage. the sound takes 2 seconds to reach your ear from the speaker. Which of the following is true: 1. The frequency is 20 Hz

2. The wavelength is 160 meters

3. The wave is 80 m/s

4. The amplitude is 2

3 is correct because 160/2 gives 80.

Explanation:

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.