Temperature,the natureof the solvent,effect of ion type
Answer:
The correct definitions are a, c and d
Explanation:
The definitions of system, heat energy and chemical energy are correct but the definition of surrounding is not correct.
All of the above except "formed from the remains of dead plants."
Metamorphic rock is formed by heat and pressure from any type of rock (igneous or sesimentary) and is part of the rock cycle.