Select twо оf the fоllowing questions аnd аnswer the questions in the spаce provided below. Be sure to indicate which questions you are answering. For full points, please respond to each question in 1-2 full sentences. (4 pts each) A. What were the main environmental consequences of the Cretaceous bolide impact? B. Describe two paleoenvironmental applications of diatoms, radiolarians, or silicoflagellates. C. How can pollen be used to reconstruct paleoenvironment? D. What are some of the flora and/or fauna that went extinct at the end Cretaceous (C/T; KT; KPg) extinction event? Name at least three. E. Reptiles also conquered the sea and air during the Mesozoic. Describe two of the following groups: ichthyosaurs, mosasaurs, plesiosaurs, pterosaurs.