Waves that go up and down.. there's not pictures so explain more
The correct option is D.
A natural law refers to a description of natural event that has been proved to be true without exception. Such a law usually generalizes a body of observation but can not explain why the observation occur. An example of a natural law is Newton's law of gravity, he observed that an object thrown up usually come down but can not explain the reason behind this observation.
CO2 traps heat in the atmosphere of the earth which leads to global warming because of the green house effect
<span>Potential energy because it has the potential to move.</span>
