Answer: que no entiendes?
Answer: The question or problem is if beet root extract melts ice faster than salt. The scientists are trying to answer if the beet root extract would be ableto melt ice faster so that it could replace putting salt on the roads. Hope this helps :)
Answer:
c. the presence of nucleic acids
Answer:
DescriptionSolar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics, indirectly using concentrated solar power, or a combination. Concentrated solar power systems use lenses or mirrors and solar tracking systems to focus a large area of sunlight into a small beam.
Explanation:
I think it is because it's easier to "control". Like the books usually said that the nucleus is the control center of the nucleus, so if the nucleus located at the center or near center of the cell. So like easy contact, easy control, easy communication etc.