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.

[Q]: Question: A scientist sees that some galaxies are closer together than before, so they know that the universe's expansion is 
 Answer: less
[A]: As the Universe expands, galaxies move further and further apart.


[Q]: Question: Jeff heated the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Answer: it decreases
[A]: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.


[Q]: Question: When a country stops manufacturing things they need to have 
 Answer: less resources
[A]:
Developing nations will also increase demands on natural resources as they build more factories.