Question: Choose your answer.

Earth is composed of layers of material with different properties. Which of the following is most likely to be in constant motion?
My Answer: mantle

Question: Choose your answer.

In animal skin tissue, cell division is responsible for
My Answer: growth and repair

Question: Choose your answer.

Which of these is unique to the process of scientific investigation?
My Answer: collecting data in an experiment

Question: Choose your answer.

Which sentence about the periodic table of elements is true?
My Answer:
Metals are found on the left side of the periodic table.