While most of the Earth is covered with water, only a small amount of water on Earth is drinkable. Explain why some water resources on Earth are safe to drink, while others are not.

(1) All water (largest sphere over western U.S., 860 miles (1,385 kilometers) in diameter)

(2) Fresh liquid water in the ground, lakes, swamps, and rivers (mid-sized sphere over Kentucky, 169.5 miles (272.8 kilometers) in diameter), and 

(3) Fresh-water lakes and rivers (smallest sphere over Georgia, 34.9 miles i(56.2 kilometers) n diameter). not sure if it help but i hope so

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.