What is the difference between a countercurrent multiplier system, such as the one involving the loop of henle, and the countercurrent systems that maximize oxygen absorption by fish gills or reduce heat loss in endotherms?

Which of the following describes research that would be considered basic science? a. a farmer is trying to improve his crop yields by using a new kind of fertilizer. b. a college students is curious about the growth of desert pants in the presence of excess amounts of water. c. government officials are trying to prevent the spread of new strain of influenza virus. d. a doctor is trying to determine why a patient is feeling tried and sick. b.a college students is curious about the growth of desert pants in the presence of excess amount of water