Which of the following best describes how an atomic property is used in the treatment of cancer? A
A stable atom that absorbs gamma rays is used in radiation therapy to treat cancer.

B
A stable atom that emits gamma rays is used in radiation therapy to treat cancer.

C
An unstable atom that absorbs gamma rays is used in radiation therapy to treat cancer.

D
An unstable atom that emits gamma rays is used in radiation therapy to treat cancer.

A3-year-old child with nephrotic syndrome has been receiving prednisone for 1 week. the nurse reviews the child's progress record and determines that the medication has been effective. what information supports this conclusion? select all that apply.

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.