Ireally need some ! 20 points and
describe the activity of protons when an acid and a base are mixed together.

chemical reactions some amount of heat is produced. Another way of saying this is: Reactions occur because the products are a lower energy (more stable) than the reactants. Then extra energy is left over in the form of heat in the reaction. Hope this helps :)

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

hope this have a good day

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !