I think the best answer from the choices would be the first option. Icebergs float in the ocean since i<span>cebergs are composed of freshwater and freshwater is less dense then salt water. The ocean contains salts which contributes to its density which most likely would be higher with that of an iceberg.</span>
You could say DNA is found in both viruses and in living single-celled organisms because DNA is necessary to replicate itself.
Answer:
During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes. The chromosomes are separated by a structure called the mitotic spindle.Explanation:
They form when lava cools above the earths rocks. Hope I helped and You're Welcome.