A scientist wants to look at the different ages of the ocean's surface. What kind of map should he use? Topographic map
Plate tectonic map
Isochron map
Geographic map

The body of water found at number 4 on the map above is the

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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.