6. which of the following does not change the form of existing rock?
a. light
c. chemical processes
b. extreme heat
d. tremendous pressure

A. light

Explanation:

Light exposure cannot change a rocks form. Whereas chemical processes can affect a rock from changes in atmosphere, extreme heat can melt rocks, and tremendous pressure can change sedimentary or igneous rocks into metamorphic rock. Hope this helps!

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: