Question

1.Which is not the cause of destruction of ecosystem. a) Population growth b) mining activity c) Alteration of habitat d) use of renewable source of energy
2. Which of the following is not linked to industrial development of a nation? a) Employment b) per capita income c) improving environment d) GDP
3. In the treatment of effluents, the pathogens are removed in a) Primary treatment b) Secondary treatment c) tertiary treatment d) none of these​

Answer 1

Answer:

ʙ

ᴀ

ᴀ

ᴛʜɪs ᴀʟʟ ʏᴏᴜʀ ᴀɴsᴡᴇʀs

Answer 2

Answer:

1= a

2°=a

3=a

Explanation:

it will help you to understand