The answer is A. The electrons orbit the protons, which are at the center of the atom.
If the solution is BASIC than it will turn purple but if ACIDIC it will turn pink.
Answer:
By visiting other households with cats.
Explanation:
This will give Brian a variety of other houses and determine if it is truly cats or just alleries from other items. This is the most direct way to get Brian the answer he is looking for.
Answer:
d
Explanation:
protons and neutrons are in the nucleus which i where most of the mass of an atom comes from