Why does caribou if you have more hours of sunlight in June then Miami

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Which organelle breaks down sugar molecules that supply energy to the cell ?