What is typically true of earth's mineral resources? select all that apply.
a. they are valuable.
b. they are renewable.
c. they come from ores.
d. they are nonrenewable.

Match the type of region in column 1 to the example in column 2 functional region: functional formal perceptual example: the united states of america the slums of detroit the houston metropolitan area

Explain how a convection current in the earth is formed.

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