Which of the following is NOT a way to change the porosity of a rock?
A. Cut the rock with fractures.
B. Fill the pores with water.
C. Deposit natural cement into pores.
D. Compact clay and other sediment.
Answer: B
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Which of the following species is undergoing oxidation? 2 CuBr ?? 2Cu + Br2
A. Cu B. CuBr C. Cu+ D. Br- E. Br2
Which of the following is a correct IUPAC name?
A) 2-chloro-3-bromotoluene B) 3-bromo-2-chlorotoluene C) 2-chloro-4-bromotoluene D) 6-bromo-4-chlorotoluene
Oil and gas form due to
A. heating of rocks to metamorphic temperatures (at least 400°C). B. heating and breakdown of long hydrocarbon chains into smaller molecules. C. oxidation of organic material at the surface. D. accumulation of inorganic material, such as clay particles in shale.
Which of these numbered features contains most of Earth's water?
A. 1-oceans B. 2-atmosphere C. 3-glaciers and ice sheets D. 4-groundwater E. 5-lakes