What does ist mean in the word optimist?

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

Select the correct sentence. a. i feel well about starting my new classes this semester. b. despite her inexperience, helen did surprisingly well in the gymnastic competition. c. justin has a great sense of humor and can tell a joke really good. d. that tie looks well with your shirt.

Plz me asap select the correct text in the passage. which two sentences in the passage introduce counterarguments to the speaker’s position in favor of recycling? we only have a limited number of resources to serve humans around the globe. by recycling and reusing the resources we have, we can preserve what untouched natural resources we have while extending the life of the resources we’re currently using. admittedly, we cannot reuse or recycle all of the materials we use in our daily lives. some materials are not recyclable, such as certain food containers. others items are not biodegradable regardless of what we reuse them for, and that can create problems in the long run. my opponent would use these limitations of our ability to recycle to counter my points about the materials we can recycle. however, this is not an “all or nothing” scenario. we should reuse and recycle the materials that we can and try our best not to buy materials and products that can’t be reused or recycled. by doing our part and encouraging others to do their part, we can increase our chances of conserving our remaining natural and manmade resources over time.