I believe the term Frequency is what you are looking for.
C. A mechanical wave generally travels faster in gases than liquids.
Answer:
what is the answers? i cant help you without the answers
Explanation:
<span>Mineral is an inorganic solid, characterized with a definite chemical composition and ordered internal structure.</span>
Both plastic and concrete are not minerals because they are made by humans. They are not naturally occurring materials, which the minerals are.