The answer is D. Due to the rotation of earth being a cause is true.
Answer: The number of blocks holding up the end of the pan
Explanation: Denise wants to test how a hill's slope can affect erosion. So, the number of blocks holding up the end of the pan should be her variable.
Answer:
circle, pentagon and square if that's what the makeup is unless it is asking for more detail like a molecule makeup diagram?
Explanation: