Answer:roll it down a hill
Explanation:of you roll it down a hill the item builds energy
i believe its packing of materials
The answer is B, or Randomization.
Explanation: Randomization minimizes the influence of bias by mixing up the probability of the results. It does not favor any one side.
Answer:
C
Explanation:
Nearsightedness is what happens when the image does not reach the retina whereas farsightedness happens when light is focused beyond the retina.
Metamorphic rocks need he and pressure to form