State how the following non-living things found in nature are useful t

1.	State how the following non-living things found in nature are useful to living things:(i) Hollow of a tree(ii) Rocks(iii) Sun(iv) Mountains
Answer» (i) Many animals like squirrels, birds etc. take shelter in the hollow of the tree. Insects also are known to be found in this hollow. (ii) Small rocks present in the soil help the roots of the plant to breathe and grow as they allow air and water to pass through the soil. Soil which helps plant to grow is formed by breaking down of these rocks. Many insects also take shelter under large rocks e.g. Scorpions live below the rocks. (iii) The Sun is the source of energy. It provides sunlight. Plants cannot grow without sunlight. Hence no life would exist without the Sun. (iv) Large forests are found on mountains. Rivers also originate in mountains. Hence, mountains are homes for many living things. They are homes for many birds, monkeys, wild animals etc.

State how the following non-living things found in nature are useful to living things:(i) Hollow of a tree(ii) Rocks(iii) Sun(iv) Mountains

Answer»

(i) Many animals like squirrels, birds etc. take shelter in the hollow of the tree. Insects also are known to be found in this hollow.

(ii) Small rocks present in the soil help the roots of the plant to breathe and grow as they allow air and water to pass through the soil. Soil which helps plant to grow is formed by breaking down of these rocks. Many insects also take shelter under large rocks e.g. Scorpions live below the rocks.

(iii) The Sun is the source of energy. It provides sunlight. Plants cannot grow without sunlight. Hence no life would exist without the Sun.

(iv) Large forests are found on mountains. Rivers also originate in mountains. Hence, mountains are homes for many living things. They are homes for many birds, monkeys, wild animals etc.

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