How do the planets venus and neptune differ in terms of atmospheric composition? (a)venus has carbon dioxide in its atmosphere, while neptune has methane in its atmosphere. (b)venus has oxygen in its atmosphere, while neptune has carbon monoxide in its atmosphere. (c)venus has hydrogen chloride in its atmosphere, while neptune has helium in its atmosphere. (d)venus has nitrogen in its atmosphere, while neptune has oxygen and hydrogen in its atmosphere. (e)venus has sulfur dioxide in its atmosphere, while neptune has nitrogen dioxide in its atmosphere.