The frequency of a sound wave determines which of the following? A
its amplitude
B
its speed
с
its pitch
D
its loudness

Explanation:

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it's speed

Explanation:

the speed formula is:

speed = wavelength X frequency

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation: