EASY
Earn 100

Which of the following gases is not a greenhouse gas?
(a)carbon dioxide
(b)oxygen
(c)CFC's

50% studentsanswered this correctly
Important Questions on Pollution of Air and Water
EASY

MEDIUM

EASY

EASY
Single Matching. Match the articles of column I and column II
Column I | Column II |
(a) Carbon dioxide | (i) Bacteria |
(b) Nitrogen fixation | (ii) ODS (Ozone depletion substances ) |
(c) CFCs (Chlorofluorocarbons) | (iii) GHG (Greenhouse gas) |
(d) Decomposers | (iv) Fossil fuel |
(e) Oxides of nitrogen and sulphur | (v) Mineralization |

EASY

MEDIUM

EASY

MEDIUM

EASY
The average temperature of the earth's atmosphere is gradually increasing. This is called _____.

MEDIUM

MEDIUM


MEDIUM


EASY


MEDIUM


MEDIUM

EASY

