This number tells scientists how many: pounds hydrogen weighs.
protons hydrogen has in its nucleus.
other elements hydrogen interacts with.
neutrons hydrogen releases in the atmosphere.

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation:

i think the answer is g1

hope i

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. ph changes the ability of them he enzyme to dissolve in water.