What is a rift valley A. Where continental plates collide and form rifts of folded mountains in the crust.
B. Where the ocean floor appears to be splitting and magma is rising from the mantle.
C. Where a continental plate collides with an ocean plate to form a subduction zone.
D. Where two ocean plates collide forming a subduction zone.

A. Where continental plates collide and form rifts of folded mountains in the crust.

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.