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: If Milo is travelling underground and he moves closer to the Earth's surface, what happens to the pressure around him? 
 Answer: decreases
[A]: Pressure: Pressure increases with depth, but increased pressure raises the melting temperature, so melting of rock is less likely to occur at higher pressures.


[Q]: Question: If Mona works in a defense lab and her company develops better missiles, what happens to the advancement of rocket technologies? 
 Answer: increases
[A]: The development of better missiles fostered better rocket technologies.


[Q]: Question: Sarah ate a salad for dinner, Sarah's levels of toxic metals have 
 Answer: decreased.
[A]:
The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.


