1 ) A body travels from point A to B in 20s and comes back from B to A in 10s. If the distance between the two points is 300m. Find the average speed of the body.
2) Two person X and Y working in kitchen got burns due to boiling water and steam respectively.
a) Which person gets affected more?
b) Explain with reason.
3) : a) If you are provided with some vegetables to cook, you generally add salt into the vegetables during cooking process. After adding salt, vegetables release water. Which mechanism is responsible for this? Explain.
b) What will happen if cells of onion peel and RBCs are separately kept in hypotonic solution,? Explain the reason for your answer.
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Answer:
30's
Explanation:
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