E. coli is a species of bacteria. What advantage does E. coli have over sexually reproducing organisms? The bacteria’s offspring have differences in their DNA. The bacteria require less energy to make offspring. The bacteria can reproduce more slowly. The bacteria’s offspring have to fight for resources.

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answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.