Question

Collect information of number of vehicles of your neighbourhood from any 3 houses -a)represent the data in tabular table b)how can we keep our environment pollution free

Answer 1

Answer:

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.