wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Statement(A): For green house effect, presence of green plants is essential.
Statement (R): CO2 and water vapour present in the atmosphere absorb the re-emitted IR radiation from the earths surface and warm the air.

A
Both A and R are true and R is the correct explanation of A.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Both A and R are true but R is not correct explanation of A.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
A is true and R is false
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
A is false and R is true.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is C A is false and R is true.
Greenhouse effect
* The progressive heating up of surface of the earth is earth is called green house effect or global warming.
* CO2 and H2O block a part of the heat (IR) emitted by the earth & reflect back. Due to this earth surface gets heated up.
* 50% in CO2 content of air can increase the surface temperature of the earth by 3oC.
* In addition to CO2 , the other green - house gases are CFCs (17%), O3 (18%), NO (4%), water vapour (2%).

131854_10533_ans.jpg

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Concepts and Practice
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon