Adding my answer for points thank you everyone for this
Answer:
weight!!!! Free fall is the motion of a body where its weight is the only force acting on an object.
And the cold air moves up wards where it heatens
Answer: stretch when your muscles are already warm
don't rush through a stretching routine.
slowly ease into position and hold stretch smoothly in order to adequately release tension
breath normally through stretch
stretch each major muscle group together in full range of motion
Explanation: warmth provides stretch with east, cold stretching causes more strain and possible injury
oxygen is delivered to the muscles during proper breathing technique
