The density of a quartz crystal is 2.6 g/cm3. If it is hit with a hammer and breaks into 2 pieces of equal size, what will be the density of each piece? A 2.6 g/cm3
B 5.2 g/cm3
C 1.3 g/cm3
D It is impossible to determine the densities without measuring the mass and volume of each piece separately

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.