What is the best description of Dave and Sol-leeks, based on this excerpt? They are difficult to please.
They are cheerful and energetic.
They are mature and experienced.
They are dedicated to their tasks.

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

Laugh and be merry, remember, better the world with a song,    better the world with a blow in the teeth of a wrong.    laugh, for the time is brief, a thread the length of a span.    laugh and be proud to belong to the old proud pageant of man. (laugh and be merry/john masefield/public domain) which of these is the main idea of the poem?

Constructing an argument: in modern american society, the legalization of marijuana continues to be controversial and hotly debated. some people find it contradictory that certain "drugs"—such as tobacco and alcohol—are legalized even though they pose proven health risks, while marijuana, which has many medicinal applications, continues to be illegal by the federal government. what reasons do you think the federal government gives for outlawing marijuana, and do the reasons support the conclusion?