Answer:
The strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled.
Explanation:
I think it's so your lungs can expand to help you breathe properly ? You may have to wait for some more answers to come through
Answer:
if anaerobic activity takes place over a long period of time the muscles soon become exhausted
Answer: Up
Explanation: when an electron goes up it produces more energy which makes light. :)
