Which of the following is true about a theory? O A. It will be modified or replaced.
O B. It is the first step toward scientific knowledge.
O C. It is a guess about how something in nature happens.
D. It is almost always controversial among scientists.

less than one you can't create energy

because growing process had stoped after 4-5 year

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.