1.igneous rocks are formed when magma or lava cools and hardens
2. the cooling rate of the rock
Answer:
I think c is the answer but I have a little concern on d too
Answer:
self-contained, short-term light-source
Explanation:
Answer:
See Explanation
Explanation:
The principle of conservation of energy states that; energy can neither be created nor destroyed but is converted from one form to another.
In view of this principle, Ella can not be correct when she says that a lot of energy has disappeared. The use of the term "disappeared" connotes the idea that the energy no longer exists which does not happen.
Hence, energy can not "disappear" from hot water rather the energy in the water may be transferred to the surroundings.