(Q).
Q: What makes up the dense outer layer of bones? Choices: - marrow - scales - cartilage - compact bone A:
(A).
compact bone

(Q).
Q: When someone falls, the kinetic energy the person has upon reaching the floor is the amount of what energy lost by falling through height? Choices: - gravitational energy - thermal energy - nuclear energy - potential energy A:
(A).
potential energy

(Q).
Q: What type of weathering breaks rock into smaller pieces? Choices: - fluid weathering - chemical erosion - chemical weathering - mechanical weathering A:
(A).
mechanical weathering