instruction:
Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
question:
Question: What is the type of plant called when its leaves seasonally turn color and fall off? Answer: deciduous plant
answer:
In a deciduous plant, leaves seasonally turn color and fall off the plant. They are replaced with new leaves later in the year.

question:
Question: What is the process of changing something from a gas to a liquid? Answer: condensation
answer:
Condensation is the change of state from a gas to a liquid.

question:
Question: What are the structural and functional units of the kidney called? Answer: nephrons
answer:
Each kidney has more than a million nephrons, which are the structural and functional units of the kidney. Each nephron is like a tiny filtering plant.