Which of the following contains both protons and neutrons?

a. outer shell

b. nucleus

c. covalent bond

d. ionic bond

Polish astronomer who suggested that the sun was the center is

What does aliens need to survive on Jupiter?

What is a highland? (A) An area of high or hilly land (B) A piece of land surrounded by water on three sides (C) A large area of land made up of one type of landform (D) A raised, flat-surfaced area bound on one or more sides by cliffs Also, I don't

A measure of the strength of the relationship between two variables is the

How do astronomers think the universe was created?

Whats an example of projectile motion

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

What sample of matter is a single substance

What is a hydraulic machine and what is its purpose? Explain how a simple hydraulic machine performs work.

Is the muzzle velocity a scalar or vector quantity?