input question: What is the final step of the following process: - A forest fire starts - The trees and plants burn - The animals lose their homes - If the animals can not escape, they may die from smoke inhalation - The plants that provide food are gone???
output answer: The animals have little to eat

input question: What is the final step of the following process: - Magma cools inside the crust - Magma crystalizes - Lava cools on the surface - Lava crystalizes???
output answer: Minerals dissolved in water crystlize.

input question: What is the final step of the following process: - The kidneys receive blood from the renal artery - They process it with millions of tiny nephrons - Remove all the waste - The kidneys return the blood back to the body through the renal artery???
output answer: Send the urine with the waste to the bladder through the ureters.

input question: What is the final step of the following process: - Water comes into contact with something made of iron - The water combines with carbon dioxide in the air to form carbonic acid - As the acid is formed, the iron starts to dissolve - Some of the water breaks down into hydrogen and oxygen - The free oxygen and dissolved iron bond together???
output answer:
They form iron oxide, which is rust