An object, such as a planet, circling another object, such as the Sun, at a constant speed is said to be accelerating. Explain why this motion is an example of
acceleration.

Because something that experiences change in magnitude or the direction of the velocity is said to be acceleration .

Explanation:

electron microscopy and scanning tunneling microscopes gives us a greater understanding of atoms by being able to see the atom itself, and lets us see some atomic reactions.

explanation:

i think it's c. i'm not sure but i think so.