Astudent made the following observations about astronomical bodies. observation 1: mars reverses its direction of motion in the sky. observation 2: the stars appear brighter at different times of the year. which observation(s) can be explained using the heliocentric model? a. only observation 1 b. only observation 2 c. both observation 1 and observation 2 d. neither observation 1 nor observation 2

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Why does his teacher ask him to balance the equation by including the correct coefficient