Logically, which of the following themes in "Rip Van Winkle" might be considered viable? Select all that apply .A. Rapidity of change in American life

B. Impacts of political change on the common man

C. Various forms of tyranny

D. Potential problems with the concept of the American Dream

Which piece of evidence would best support reason #1? othe history of using animals for research extends asfar back as 322 bce, when early greek physician-scientists, such as aristotle and erasistratus,performed various experiments on living animals.animal research played an essential role in thedevelopment of herceptin and tamoxifen, twomedications that have already saved the lives ofthousands of women who have been diagnosed withbreast cancer.even those who believe in testing on animals when it is hnecessary for vital medical research practice what isknown as "the 3 rs-reduction, refinement, andreplacement to reduce the number of animals usedfor testing.biologists believe that chimpanzees share at least 98.4percent of the same dna as humans and gorillas shareat least 97 percent, making primates a popular andlikely choice for the testing of products intended for humans

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

What is chemistry and it applications