(A) only clay, and no humus
(B) silt and sand, but never clay
(C) humus and clay, but never sand
(D) rock, silt, sand, clay and humus
(A) the amount of matter in an object
(B) the pull of gravity on an object
(C) how hot or cold an object is
(D) how much space an object takes up
(A) a solid to a liquid. (B) a liquid to a gas.
(C) a solid to a gas. (D) a gas to a solid.
(A) The liquid water changed to a gas.
(B) The liquid water changed to a solid.
(C) The water leaked out of the cup.
(D) The water spilled from the cup.
(9)–D; (10)–D; (11)–A; (12)–A