Why is it important to keep your back and neck straight while performing a hamstring stretch? a. you can’t touch your toes with your neck and back bent. b. arching the neck and back puts stress on the spine c. bending back turns this into a spine stretch d. the hamstring is only stretched when the back is straight

It important to keep your back and neck straight while performing a hamstring stretch because Arching the neck and back puts stress on the spine

Explanation:

The hamstrings are a group of muscles that are located at the back of the thigh. It runs from the pelvis to the shin bones. It also includes semitendinosus and semimembranosus and biceps femoris. To get a true hamstrings stretch a person should only feel it at the back of the thigh  

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

i think its the first one