Answer:
3 per 10 seconds.
Explanation:
If it's 30 seconds and 3 waves hit throughout that time period, dividing should get you your answer..
30/3 = 10.
Hope this helped!
Source(s) used: N/A
Answer:
The second arrow from the top to the bottom
Explanation:
This can be explained by the Newton's third law.
For every action there is an equal and opposite reaction.
When an object A exert a force to an object B. Then object B also excerts a force with the same size but opposite direction to object A.
Earth's atmosphere is made up of several different elements,
nitrogen - 78%
oxygen - 21%
argon - 0.9%
carbon dioxide - 0.03%
and lastly water vapor with 0.0-4.0%
Transforming crude oil into petrochemicals release toxins into the atmosphere that are dangerous for humans and ecosystem health