Answer:
definately substance A beacause its the lowest ph leval which means its more acidic
Explanation:
The volume of the entire object
Astronomy is a branch of science that studies the Earth and
the universe. Since the age of the Earth
will be based on how it starts, or how the universe starts, astronomy surely
has the most proof that Earth is approximately 4.6 billion years old.
Orbital
All atoms have the same number of electrons as protons. Negative electrons are attracted to the positive nucleus. This force of attraction keeps electrons constantly moving around the nucleus. The region where an electron is most likely to be found is called an orbital.
Here you go :)
Energy is a reactant of endothermic reactions and a product of exothermic reactions.