In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
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Question: Question: Olive and Jean were collecting rocks during a hike, they collected too many rocks so the two girls decided to leave some rocks behind to come back to later. Olive decided to bury her rocks in the dirt, and Jean decided to leave hers in a ditch in the sun. When they returned a week later, which girl's rocks changed the most? 
 Answer: Olive

Answer: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.


Question: Question: If a dog is extremely unfit and unhealthy breeders will want it to have 
 Answer: less offspring

Answer: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.


Question: Question: Jimbo decided to take a hot air balloon ride. As the balloon rose higher into the air, what would happen to the temperature? 
 Answer: it would decrease

Answer:
In the troposphere, temperatures decrease as altitude increases.