Thuy was learning about mid-ocean ridges and how they spread, creating more land. She wondered why Earth doesn't keep growing bigger and bigger because of the new land. She learned that the reason Earth isn't
expanding is because of the many
that occur at ocean .
A) mantles; subduction areas
B) mid-ocean ridges; subduction areas
C) subduction areas; trenches
D) trenches; basins

Aletsch glacier is the largest glacier in switzerland and the largest found in the alps, a mountain range which extends from monaco in the east to slovenia in the west. currently, the aletsch glacier is retreating. under what circumstances would this glacier see growth instead of retreat? a decline in plate tectonics across the mountain range annual snowfall that exceeds yearly losses an increase in ablation in the southern valleys a rise in temperatures to that of a mediterranean climate

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.