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: When we pack a fewer things into a box it becomes 
 Answer: less dense
[A]: The more tightly packed the particles inside the material are, the more dense we say they are.


[Q]: Question: Ian was applying cold to a reactant. The rate of the reaction that occurs will now be 
 Answer: slower
[A]: When the temperature of reactants is higher, the rate of the reaction is faster.


[Q]: Question: Derek is diving into the ocean. The pressure at the surface will be light, and the pressure the deeper he goes will be 
 Answer: stronger
[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.