Which of the following is a correct IUPAC name?
A) 4-ethyl-1-methylcyclohexene
B) 5-ethyl-2-methylcyclohexene
C) 1-methyl-4-ethylcyclohexene
D) 5-methyl-2-ethylcyclohexene
A
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Breccia, a rock with angular particles, is likely to have traveled ________
A) only a short distance B) in a glacier C) in a mountain stream D) a long distance
The use of bacteria and enzymes to convert toxic or hazardous substances to harmless compounds is called ____________________
Fill in the blanks with correct word
A star's color tells us
A. its surface temperature. B. its rotational speed. C. how much energy a star produces. D. both how much energy it produces and its surface temperature.
Which of the following is NOT a drawback of using windmills for energy?
A. Windmills are not always visually appealing. B. Windmills kill birds. C. Wind is not always constant. D. Windmills cannot be placed on shorelines.