Why do cells need proton pumps? What important processes would be halted if the proton pumps didn’t work?

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the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation:

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

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: