Earth’s magnetic field is generated by the?
a. mantle
b. lithosphere
c. outer core
d. inner core
e. crust

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cell regulation is conducted by special proteins.

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: