Escaping gasses .........
Answer:
The rocks must be formed from magma.
Either c or d is they both have short seasons, lots of rainfall and evergreens grow all year long.
There are many ways that can contribute to a person becoming a refugee such as...
Warfare
political instability
and natural disasters such as floods, tsunamis, and famines.
They are called refugees because they are people who leave their homes or native areas for reasons of safety or survival.
I hope this helped