write an essay on coal and natural gas. make sure you do what the check list says/ add what the check list says. make sure you add all of the things in the picture.

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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