10.The bacteria that are capable of converting the atmosphere nitrogen into nitrates and nitrites
thereby increasing soil fertility.
a. Rhizobium b. E. coli
c. Spirilla d. Lactobacillus

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?