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
Answer: 24
Explanation:
Given the following equation:
Where 
is the number of mushrooms in a pizza and 
the number of pizzas.
If we know the restaurant will make 8 pizzas (
), then:
This is the needed number of mushrooms for 8 pizzas
Answer:
what is the action and reaction ?
Explanation:
Answer:
D is the answer
Explanation:
6.45×7.44= 47.98800
Which if we round of we get 48m
