Which of the following best describes why the Earth orbits the Sun?

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

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?