instruction:
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.
question:
Question: An increase in birth rates indicates a/an _____ in the food supply. 
 Answer: increase
answer:
Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.


question:
Question: Ian is digging in his garden, and admires the shiny pebbles sitting in the yard, as he digs a hole and finds more rocks, he knows that the first ones he found are 
 Answer: younger
answer:
Older rocks are at the bottom and younger rocks are at the top.


question:
Question: If two magnetic objects move closer, they will cause the magnetic force of attraction to 
 Answer: increase
answer:

As the distance between the objects increases the magnetic force of attraction decreases.