What is proof that all living things have a common ancestor?

history

Explanation:

read a textbook and it can help perhaps

i think that c)gold was found there

but i am not sure

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: