We can't expect the world without sparrows. So how should be our concern towards their conservation?

"We can't imagine the world without insects and birds. " Suggest two methods to conserve them.

How can we conserve water ?

How can we contribute to promote biodiversity conservation?

What can we do express our affection or concern towards plants and animals?

Why should we conserve biodiversity? How can we do it?

Why should we take responsibility towards our pet animals ?

In how many ways can be letters of the world 'CABLE' be arranged so that the vowels should always occupy odd positions ?