The White Cliffs of Dover are composed of ____________. Fill in the blank(s) with the appropriate word(s)

Which of the following is true of igneous landscapes?

A) Granites rarely fracture and weather very slowly. B) Volcanic rocks tend to fracture parallel to the layers. C) Basaltic lava flows tend to clump rather than spread out easily. D) Columnar jointing is common in basaltic lava flows. E) None of these are correct.

Which of the following best matches the description?Use of a stream's water flow for such purposes as hydroelectric power.

A. in-stream uses B. nonpoint source C. groundwater mining D. water diversion E. aquifer F. landfills G. artesian aquifer H. water table I. unconfined aquifer J. septic tank K. aquitard L. point source M. confined aquifer N. aquiclude O. surface impoundment

In the reaction Pb(s) + 2 Ag+(aq) ? Pb2+(aq) + 2 Ag(s) which species is oxidized?

A) Pb(s) B) Ag+(aq) C) Pb2+(aq) D) Ag(s)

Which of the following did not lead to the massive end-Cretaceous mass extinction?

A. Chicxulub Impact B. massive mountain building events C. long-lasting sea level fall D. Deccan Traps flood basalts