1. Bert's average for the first three quarters are 87.67.89.85 and 90.75 respectively. What should be his average on the fourth quarter so he could reach a general average of 90 and
be awarded with honors?

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