What happens to the age of the sea floor as you move closer to the continental coasts ?

What are some of the impacts of humans on the earth?

After world war i, how did the us economy compare to that of germany?

Iii-eneral sciencewhich of these is the best explanation of how a smooth round stone became smooth? a continuous freezing and thawingbvolcanic actioncit fell off the side of a cliffdit was in a stream for a long time.