Question

Q.1 When we add some dry soil to the water in a glass and stir it, bubbles are observed from the soil. What causes these bubbles to raise?
Q.2 What is weathering?
Q.3 Soil has particles of different sizes. Arrange the words given below in decreasing order of their particle size. Rock, clay, sand, gravel, silt.
Q.4 It is necessary to ban the use of polythene bags and plastics. Do you agree? If yes, why?
Q.5 The percolation rate varies from soil to other soil. Which soil would have the highest and least percolation rate?
Q.6 The soil is said to be inseparable part of our life. Why?

Answer 1

Answer:

Explanation:

1. The air present in the soil comes out when we add water, this creates air bubbles.
2. Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.
6. It gives life for many living organisms like plant and trees.
Soil is also home to many living organisms..
Animals like rabbit and snakes live in them. Insects like earth worm also live in them.