Answer: i think it d
Explanation:
mostly because everything is made matter and the earth is made of energy so everything is moving even thou it doesn't look like it.
i think
Answer: Mass
Explanation: i hope i helped i did that yesterday and it was right but i hope it is??
Bro if u dont know this answer you better pay attention in class cause this is the easiest thing i have ever seen. And if you cant find the answer in your class book come back in here and i will hook you up.<span />
The scientific study of the biological aspects of social behavior in animals or humans! Hope this helped.
