Fill in the blank:
1. as distance increases, gravitational force

2. when you stand on a bathroom scale, it displays the that earth is exerting on you.

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere