Which sentence from the source best supports the reason "recreational sports are valuable because youth need to exercise daily”?

(1) american youth have school commitments and extracurricular activities. (2) many also enjoy leisure activities, such as reading and playing video games. (3) the us department of agriculture recommends that young people ages 6–17 should engage in 60 minutes of physical activity each day. (4) the specific amount of activity needed for a healthy lifestyle depends on daily caloric intake.

Vvnici prece di evidence would best support teason #to the 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.0 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 isnecessary for vital medical research practice what isknown as "the 3 rs"-reduction, refinement, andreplacement to reduce the number of animals usedfor testingbiologists 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

Urgently need to do with 1-20. you very much!

Which war does jonas have a memory about? in the giver.