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.

Input: Consider Input: 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

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


Input: Consider Input: Question: An decrease in birth rates indicates a/an _____ in the food supply. 
 Answer: decrease

Output: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.


Input: Consider Input: Question: Would a star that is significantly cooler than the sun, which is outputting blue light which is higher in frequency that the yellow light of the Sun, be 
 Answer: colder?


Output: Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures.