150 j of work was done to lift a crate with force of 20 N how far was the crate lifted?

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Types of scientific inquiry that biologist engage in that cannot be completely controlled

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?