Which of the following is true about the earths crust
A. earths crust is a single mass of rock that does not move.
B. earths crust is divided into several large plates that move relative to each other.
C. earths crust is a mass of rock that moves as a single unit
D. earths crust is divided into several large plates that do not move relative to each other

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

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

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?