Question

Out of the two statements given here
A: C4 Plants are more effective in
reducing the green house effect as
compared to C3 plants
B: Cz plants show photorespiration at
high CO2 concentration.
1) Only (A) is correct
2) Both (A) and (B) are incorrect
3) Only (B) is correct
4) Both (A) and (B) are correct​

Answer 1

Answer:

both a and b are correct