Can someone help me with this please, i will mark brainliest !!

What is hydroelectric power produced by?

Ais a group of individuals of the same that exist together in the same place at the same time

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament