Evolution occurs by, the process in which
some members of a species, being better suited or adapted to their
environment, produce more offspring than others, so they pass
“advantageous traits" to their offspring,

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

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answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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-charlie

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i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.