One eighth to one sixth of the adult number of alveoli are present in the lungs at birth. their number increases after birth for at least how many years?

true is the final answer!

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:

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it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added