Lakes can be formed as a result of what type of weathering? select all that apply. glacier movement over the crust upwelling from the water table formation of a terminal moraine trapped acidic water dissolving large amounts of limestone

The body is protected against harmful flu viruses by

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.