Refraction can occur only when light is___

A. emitted

B. Reflected

C. Absorbed

D. Transmitted

A pond changes into a field through the process of

What kind of relationship does tangential speed and rotational speed have? (Inverse or direct)

A clumsy astronaut falls into a crater on the moon. The crater is 13 meters deep. How long will the astronaut have before he hits the ground?

A man walks 30 m to the west, then 5 m to the east in 45 seconds. What is his displacement?

How do we convert units of distance? First answer gets brainliest.

Why are stars changing colurs by blinking?

How many birds have tested positive for West Nile virus?

How much force is needed to stretch a spring 1.2 m if the spring constant is 8.5 n/m? 7.1 n 7.3 n 9.7 n 10.2 n

What forces are equal and opposite sides

B. how does the separation between galaxies compare to the separation between stars? based on your answer, discuss the likelihood of galactic collisions in comparison to the likelihood of stellar collisions.