Explain the steps that organizations have taken to help ensure clean air

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

If one writes logically, he will prove his point. is this sentence correct or contains an unwarranted shift in person?

Will give branliest and 25 points if answer all quesyions 1. select the correct prefix for the following base word: freeze (against freezing). a. im- b. inter- c. re- d. mis- e. anti- 2. select the correct prefix for the following base word: lock (lock between). a. im- b. inter- c. re- d. mis- e. anti- 3. select the correct prefix for the following base word: behave (behave badly). a. im- b. inter- c. re- d. mis- e. anti- 4. select the correct prefix for the following base word: mature (not mature). a. im- b. inter- c. re- d. mis- e. anti- 5.. select the correct prefix for the following base word: play (play again). a. im- b. inter- c. re- d. mis- e. anti-