When the levels of greenhouse gases in earth's atmosphere increase, which statement is true?

earth's temperature increases because hin increases.
earth's temperature increases because hout increases.
earth's temperature increases because hout decreases.
earth's temperature increases because hin increases and hout decreases.

The correct answer is C for those of you looking for the letter instead of a whole paragraph of words

Explanation:

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.