Dinosaurs evolved over millions of years and became well-suited to their environment. Unfortunately, dinosaurs did not have the ability to adapt to the
climatic change that occurred sixty-five million years ago due to the asteroid
collision. Which statement best describes why the dinosaurs were unable to survive
this event?

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.