10% of Energy is lost as heat. This is called The Ten percent law
The earth rotates from West to East or if you want another way of saying it, counter-clockwise. It rotates from West to the East because the earth's Western Hemisphere (West) rotates to the Eastern Hemisphere, (East).
P.S. I hope this helps you!!
Its a nucleotide.
This is the answer because they are the basic units of nucleic acids. These nucleotides are made up of a pentose sugar, a nitrogenous base, and a phosphate group.