The boys left backpacks on the porch. Which would correctly complete the sentence?

A. their.
B. there.
C. they're.
D. they are.

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

What argument did andrew jackson use t persude the people that the indian removal act was a good idea

Read the opening lines of chapter 1 of twenty years at hull house and answer the question. on the theory that our genuine impulses may be connected with our childish experiences, that one’s bent may be tracked back to that “no-man’s land” where character is formless but nevertheless settling into definite lines of future development, i begin this record with some impressions of my childhood. the author begins her book with memories from her childhood. according to this excerpt, addams felt strongly that childhood was important because its trials and triumphs will support a successful life suffering during this time can create long-lasting goals it has a strong impact on personal growth throughout life children are free of the ethical judgments that adults make next question