Nitrogen in the air can be turned into a useful nitrogen containing compound through the process of nitrogen fixation. The two methods of fixing nitrogen are Lightning and denitrifying plants.
True
or
False

What form of anesthetic was used for field surgery

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans