5. at high altitudes is the sky above a deeper blue or a pale blue versus lower altitudes?

Using complete sentences, describe the central economic problem facing all humans. why does this require people to make choices? how can this result in opportunity costs?

True or false.the baltic states have taken steps to diversify. or decrease the variety of their industries

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