The picture shows a type of rock called a banded iron formation. the rock contains high levels of iron oxides minerals, which form only when iron at earth's surface combines with oxygen. approximately how old would earth's oldest banded iron formations be? 3 billion years old 4.6 billion years old 5 billion years old 65 million years old

Regarding most of the narrator’s story, which word best describes the tone?

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

Cells are adapted to preform specific functions. which of the following terms refers to this capability?