It's what you put :)
ΔH is the distance from the reactants (which would be E), to the products (which would be G or D)
Answer:mixing decomposing
Explanation:
Melting and grinding changes the physical form and mixing decomposing doesn’t
Hydrogen is easily the most abundant element in the universe.
It is found in the Sun and most of the Stars, and the planet Jupiter is composed mostly of Hydrogen.
I hope this helps...
