Where would you find methanogens, which can function only in the absence of oxygen? select the correct answer.
a. roots of plants
b. human intestines
c. synthetic fertilizers

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?