Magma chamber
central vent
crater
I think
The answer to this would be A, because they began to spread westward once they decided to head away from the Arctic.
The country that is an isthmus and links central and Souh America is Panama
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.
To solve a problem if consumers have problems they will always search for consumers
