Which is a property of ultraviolet C (UVC)? a.
has the longest wavelength
b.
is the least reactive
c.
is the least absorbed by the stratosphere
d.
is the most reflected by Earth's surface
e.
has the most energy

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)