What does a sound wave’s frequency tell you? HELP IF YOU WANT BRAINLEIST AND TO HAVE YOUR COMMENT LIKED!! A. the loudness or softness of the sound from an object

B. the type of medium in which the sound is traveling

C. the number of vibrations per second an object is making

D. the amplitude of the sound wave

C. the number of vibrations per second an object is making

Explanation:

Hope this helps. Sorry if it doesn't. T^T

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.