Which biomolecule is composed of five basic elements: carbon, hydrogen, oxygen, nitrogen, and phosphorus arranged into two types of polymers, one a double-stranded molecule shaped as a double helix, the other polymer is a single-stranded molecule?

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium