Dna is comprised of four different types of nucleotides. each one is made up of a pentose sugar, a phosphate group, and one of four nucleosides. 2. adenine, guanine, cytosine and thymine are nitrogenous bases. 3. adenine and guanine, which have a nine-member double-ring, are called purines. 4. cytosine and thymine, which have a six-member single-ring, are called pyrimidines.

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.