A dehydration synthesis reaction is BEST described as a chemical reaction in which A
water molecules are added.
B)
water molecules are removed.
water molecules change places.
D)
a reactant becomes drier to the touch.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

d. groundwater flows through the subsoil and deposits minerals.

answer; both surfaces of the membrane are nonpermeable