Why does temperature decrease with higher altitude?
air is held strongly together by gravity, so there is less heat transfer.
air density is lower, so there is less heat transfer.
air density is higher, so there is less heat transfer.
air pressure is higher, so there is less heat transfer.

Option (b) is the correct answer.

Explanation:

Radiation is absorbed by the ground of Earth and this heats the surroundings along with tropospheric air through conduction and convection process.

But as we go at higher altitude then gases present in the troposphere absorb very less amount of incoming solar radiations.

As a result, air molecules move farther away from each other and there will be decrease in density of air due to less heat transfer.

Thus, we can conclude that temperature decrease with higher altitude as air density is lower, so there is less heat transfer.  

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

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