Match the following column-I with column-II.
|
Column - I |
Column - II |
||
|
a. |
Phosphate fertilizers in water |
i. |
BOD level of water increases |
|
b. |
Synthetic detergents in water |
ii. |
Acid rain |
|
c. |
Nitrogen oxides in air |
iii. |
Global warming |
|
d. |
Methane in air |
iv. |
Eutrophication |
| v. | Artificial rain | ||
Which of the following is correct?
1
a - iv, b - i, c - ii, d - iii
2
a - iii, b - v, c - ii, d - i
3
a - iv, b - ii, c - i, d - iii
4
a - ii, b - iv, c - iii, d - iv