Choose ALL options that refer to the proteins that work together to make a muscle contract. A) fascicle B)actin C)mysoin D)fiber brainlest and 100 points

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

c. heat from the poles back down towards the equator.