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A group of scientists examined a meteorite from
Mars and found a carbon-rich substance that is
produced when microorganisms decay. They
concluded that the meteorite provided evidence
there was once life on Mars. Why is this an
emerging idea? Check all that apply.

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.