Which of these practices does the most to decrease the amount of water needed to farm?
a-drip irrigation
b-crop rotation
c-cash crops
d-no-trill farming?

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

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?