what kind of way do you think an ocean wave is. A. transverse B. longitudinal C. surface

You would need to take a picture so i can see

  concave means having an outline or surface that curves inward like the interior of a circle or sphere. so the mirror curves inward.

Hellosubatomic particles  are  particles  that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles  found in an atom. protons have a positive (+)  charge. an easy way to remember this is to remember that both neutron and no  electrical charge  start with the letter "n."have a nice day