1. Human activities, such as the burning of fossil fuels, transfer carbon from the geosphere to the atmosphere. Which of the following processes also contribute to transferring carbon to the atmosphere ? A. photosynthesis formation of fossil fuels C. precipitation D. volcanic eruptions

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.