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: An increase in food will likely lead to _____ lifespans. 
 Answer: longer

Answer: New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.


Question: Question: If Milo is measuring the seafloor and he notices the level of spreading has decreased, what will happen to the sea level? 
 Answer: it will fall

Answer: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.


Question: Question: William sees that a country is growing rapidly. Will there be more or less availability of water in the future? 
 Answer: less

Answer:
The availability of water is projected to get worse as demand increases.