Apaleontologist has recovered a bit of tissue from the 400-year-old preserved skin of an extinct dodo (a bird). to compare a specific region of the dna from a sample with dna from living birds, which of the following would be most useful for increasing the amount of dodo dna available for testing?
a. snp analysis
b. polymerase chain reaction (pcr)
c. electroporation
d. gel electrophoresis

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

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.

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -