Which of the following acids has the weakest conjugate base?
A) CH3COOH
B) C6H5OH
C) H2SO4
D) H3PO4
C
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Which of the following relationships is most likely to occur if global climate change policies are not enacted soon?
A) The wealthiest nations will contribute most to global climate change, yet the poorest people of the world will suffer most. B) The wealthiest nations will contribute most to global climate change, and they will in turn suffer the most. C) The poorest nations will contribute most to global climate change, yet the wealthiest nations will suffer most. D) The poorest nations will contribute most to global climate change, and they in turn will suffer most.
The danger of carcinogens lies in their effect on
A) oxygen-carrying red blood cells. B) the ability of the lining of the lungs to absorb oxygen. C) DNA molecules inside cells. D) the ability to absorb nutrients in the wall of the intestines.
At the point where a barometer reads 500 mb, approximately one half of the atmosphere lies below the barometer
Indicate whether the statement is true or false
Which of the following rocks represents the highest grade of metamorphism?
A) Biotite schist B) Quartzite C) Phyllite D) Gneiss