No force is necessary to keep a moving object moving (in a straight line at a constant speed).
Answer:
The location of the survey is biased.
Explanation:
If someone left a movie theater, it is most likely because he likes watching movies there. A better place to interview would be on the streets, as it’s less biased there
I think the main idea is that the middle planets have a solid inner core and that they all could have life on them
Like . . . repel
unlike . . . attract
positive . . . repel
negative . . . repel
