Reaction rate depends on how many molecules come into contact with each other with enough energy to react. How would you increas
e the number of molecules that come in contact with each other in a reaction between gases? A.increase volume
B.increase pressure
C.decrease pressure
D.decrease temperature
A because the girl in that instant is not moving up or down so ( up forces)=(down forces ) The up forces is the tension of the rope and down forces us mg -the gravitational force on the girl by the earth
