11. Improvement on communication skill is a A. Social Benefits
B. Emotional Benefits
C. Mental Benefits
D. Physical Benefits

12. Reducing anxiety, depression, and negative mood.
A. Social Benefits
B. Emotional Benefits
C. Mental Benefits
D. Physical Benefits

13. Have stronger bones, muscles and joint and lower risk of developing osteoporosis.
A. Social Benefits
B. Emotional Benefits
C. Mental Benefits
D. Physical Benefits
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Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d