5
14. Which of the following actions is most likely
to prevent yellow fever, which is transmitted
by mosquitoes, from becoming epidemic?
a. preventing dehydration in patients by treat-
ing them with oral rehydration therapy
b. taking antibiotics
C. encouraging people to empty water out of
old cans, tires, plant saucers, and other
areas that contain standing water
d. spraying the area repeatedly with pesticides

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.