How long does it take for a star the size of the sun to become a red giant?

How are theories supported in the scientific community? They are treated as hypotheses. They are tested by many scientists. They are unproven but accepted as fact. They are rarely altered after publication.

A wave that moves back and forth at right angles is called what

What is the change in atomic mass number when an atom emits an alpha particle? a. decreases by 2 c. increases by 2 b. decreases by 4 d. increases by 4

Where could you hear a sonic boom

How resistance, current, and voltage behave in a series circuit.?

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices

Which force most likely created this mountain? compression gravity sheaning tension

What is the opposition of sublimation?

What is the voltage at the location of a 0.0001-coulomb charge that has an electric potential energy of 0.5 joules?

A basketball referee tosses the ball straight up for the starting tip-off. at what velocity (in m/s) must a basketball player leave the ground to rise 1.23 m above the floor in an attempt to get the ball?