Part e
when most main sequence stars exhaust their hydrogen supply, they become giants. yet on the diagram, there are not
many stars between the main sequence and the giants. what would explain this fact?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Why are common names a problem for scientist?

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems