B.
C.
D.
E.
If a portion of a half water\/half alcohol mix is replaced with 25% alcohol solution, resulting in a 30% alcohol solution, what percentage of the original alcohol was replaced?<\/p>\n
A.
B.
C.
D.
E. <\/p>\n\n\n
Question Discussion & Explanation<\/a><\/p>\n\n\n Correct Answer<\/strong>\u00a0-\u00a0E <\/span>-\u00a0(click and drag your mouse to see the answer)<\/p>\n\n\n __________________________________________________________________________ <\/p>\n\n\n\n Which of the following best completes the passage below? Question Discussion & Explanation<\/a><\/p>\n\n\n Correct Answer<\/strong>\u00a0-\u00a0B<\/span>\u00a0-\u00a0(click and drag your mouse to see the answer)<\/p>\n\n\nVerbal<\/h2>\n\n\n
At a recent conference on environmental threats to the North Sea, most participating countries favored uniform controls on the quality of effluents, whether or not specific environmental damage could be attributed to a particular source of effluent. What must, of course, be shown, in order to avoid excessively restrictive controls, is that _______.
(A) any uniform controls that are adopted are likely to be implemented without delay
(B) any substance to be made subject to controls can actually cause environmental damage
(C) the countries favoring uniform controls are those generating the largest quantities of effluents
(D) all of any given pollutant that is to be controlled actually reaches the North Sea at present
(E) environmental damage already inflicted on the North Sea is reversible<\/p>\n\n\nBonus RC Question of the Day<\/a><\/strong><\/h4>\n\n\n