Question

C) Answer in one sentence
1) Why doesn't a duck get wet in water?

2) What will happen if the root-tip is injured?
3) Name two things on which electric charge is produced by friction?
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Answer 1

Answer:

1. you would be swimming in water and yet not look really wet. ... The secret lies in the layer of smooth feathers, which keeps the water out and also helps the duck float. Moreover, these smart ducks make a kind of oil, which they spread on their feathers with their beaks.
2. When the root tip gets injured, the root fails to penetrate the soil much. This means that the plant will get lesser nutrition from the soil. ... If the root fails to penetrate the soil, the plants do not get the required nutrition and thus the plant will not grow and may soon die
3. Triboelectric Charging

Answer 2

Answer:

Ann yes sir sound is not coming