Which of the following statements regarding the greenhouse effect are correct.
I. Global warming will result in an increases in the number of tropical storms.
II. Addition of greenhouse gases to the atmosphere results in increased heat energy in the atmosphere.
III. Global warming will result in rising sea levels.
IV. Full recovery from the enhanced greenhouse effect will require many centuries.

Increased level of greenhouse gases cause global warming which result in

Increased level of greenhouse gases cause global warming which result in

Increased amount of ……… in the atmosphere, results in greenhouse effect and global warming

Statement I: Global warming signifies the rise in global surface temperature. Statement II : The increase of concentration of greenhouse gases in the atmosphere causes the rise in global surface temperature.

The figure shows relative contributions of various green house gases to the total global warming. (i) Name the gases (a) and (b) (ii) Explain how increase in green-house gases in earth's atmosphere leads to rise in sea level?

Which two of the following statements about food chains are correct ? (a) Removal of 80% tigers resulting in increased growth of vegetation. (b) Removal of most carnivores resulted in increased population of deer. (c) Length of food chain is limited to 3-4 tropic levels due to energy loss. (d) Length of food chain may vary from 2-3 tropic levels.

Assertion (A): Evolution of Greenhouse gases leads to Global warming. Reason (R): The energy released by the greenhouse gases move away from the atmospheric surface

Study the following statements regarding food chains and select the correct ones. (i) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. (ii) Removal of most of the carnivores resulted in an increased population of deers. (iii) The lenght of food chains is generally limited to 3-4 trophic levels due to energy loss. (iv) The lenght of food chains may vary from 2 to 8 trophic levels. A) i and ii B) ii and iii C) i and iii D) iii and iv