If the input force on a pulley is 3 N and the output force is also 3 N, what is its mechanical advantage?
A. O
B. 1
C. 3
D. 9

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: