4. what tool can readers understand the meaning of an unfamiliar word?

A dictionary or safari and if it doesn't give you an answer it's giving you an idea

I believe the answer that they would want you to put is context clues in which you find clues in the text or the sentence in which that word is used to help you figure it out.

Which statements describe the relationship of earth and its moon? check all that apply.the moon orbits earth following a nearly circular path.the gravitational pull of earth on the moon is parallel to the velocity of the moon.the moon orbits earth in 1 earth day.the same face of the moon always points toward earth.the moon’s orbit is the result of the interaction between the moon’s inertia and the gravitational force from earth