Question

& Manu starts from A and reaches Cin 20 seconds through B.
B
20m
м
80 m
D
a. what is the distance travelled by manu?
b. What is his displacement?
c. What is his speed?​

Answer 1

Answer:

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Explanation:

Soil B having pH 4.5 should be treated with powdered chalk to adjust its pH. Because soil B is too acidic and its acidity can be reduced by adding powdered chalk (CaCO

3

), which is a base.