Answer:
Option A
Explanation:
Mechanical waves requires some medium to travel through. They travel faster in the dense medium as compared to a free medium.
The speed of a mechanical wave is fastest in the solid medium and the slowest in the gaseous medium. Hence, as the wave traverses from gaseous medium to the solid medium, its speed increases.
Thus, option A is correct
Dinosaur and bird so u can see how they developed and how they aged to become something popular<span />
Answer:
c
Explanation:
no te tengo porque darte explicaciones