Which of the following could be one reason why the earth is getting warmer? a. large glaciers are melting in antarctica. b. the earth is moving closer to the sun. c. gasoline-powered cars that trap heat in the atmosphere. d. more animal speciesare becoming extinct.

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

What are the 4 phases of matter in order of increasing engery content?