Which of the following is true of the nucleotides found in cells? A. Viruses contain both DNA and RNA
B. Viruses contain neither DNA nor RNA
C. Viruses contain either DNA or RNA

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

How do you determine the percent yield of a chemical reaction

List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn