Answer:
A. Earth’s climate responds to changes in greenhouse gas levels.
Explanation:
Kepler described the orbits of the planets as elliptical. They were thought to be circular.
"Longitudinal waves" is the wave among the following choices given in the question that <span>cause the matter to move perpendicular to the direction in which the wave is traveling. The correct option among the two options that are given in the question is the first option. I hope that this answer has come to your help.</span>
Https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjascq6vOLM...
You will find the information you need here. :3 Good luck!
(Says I have to cite my sources so here goes: I just copy/pasted your question into Google lol)