Make sentences in the present perfect .

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

Now close reading is an essential and foundational skill needed to succeed in any language arts course. acquiring this skill will you form a strategy when writing about literature. you will be required to perform and develop this skill as you progress through this course and other courses in your school career. identify and discuss your areas of strength in language arts. what do you do well? what do you like doing in a course like this? why do those tasks work well for you? you can also identify a challenge you have that you’d like to work on throughout this course. use this discussion as an opportunity to give advice to your classmates based on your stronger skills and to ask for with skills you are still developing.

Which words best describes the speakers?