The image below shows the surface of the Moon.

The circle-shaped pits on the surface of the Moon are usually caused by collisions with asteroids or comets and are known as _.
A.
plains
B.
mountains
C.
dunes
D.
craters

Write skeleton equations for the following reactions c. aluminum(s)+copper(i) chloride(aq) > aluminum chloride(aq)+copper(s)

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Compare and contrast refraction of light and sound will give brainliest