Answer:
The density increases.
Explanation:
As you go deeper in depth, pressure increases. Density = mass/volume. The layers beneath us due to pressure get packed to the point of being very dense.
Answer:
I think its true I dont really know
Explanation:
true
The answer is B "the reaction is exothermic", and C "the reactants lost internal energy."
Answer:
Explanation:
1. Calculate the energy needed

2. Convert calories to joules

Lightning??? :)
If this is not it than can you be a little more specific so I can answer your question.