D) The speed of a wave slows as it travels at different speed in different media.
Is a process in which One set of substances, called REACTANTS, is converted to a new set of substances is called PRODUCTS.
--In other words, a chemical reaction is the process by which a chemical change occurs.
Answer:
A.
Explanation:
this would make sense but it seems to be more like they both sound different
Answer:
multiply that and divided by 45
