This scientist was the first to use the telescope in astronomy
A) Galileo B) Tycho Brahe
C) Nicolaus Copernicus D) Sir Isaac Newton
A
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What physical conditions are necessary for the formation and stability of methane hydrates? What will be an ideal response?
The U.S. Senate has so far opposed emissions reductions on the grounds that ________
A) it might hurt the economy B) no other nations have pledged reductions C) the United States does not emit significant amounts of greenhouse gases D) the United States already has reduced its emissions by 68% as agreed in the Copenhagen treaty E) President Obama rejected the scientific basis of global climate change
Belgium is divided ethnically into a Dutch-speaking north and a French-speaking south. Because one group or the other has been seeking greater autonomy, Belgium is an example of a country plagued by:
A) civil war B) "Trabis" C) genocide D) separatist movements
A student named a particular compound 2-ethyl-3-methyl-2-butene. Assuming that the student's choice actually corresponded to the correct distribution of the double bond and the substituents, what is the correct IUPAC name for this compound?
A) 2-ethyl-3-methyl-2-butene B) 3,4-dimethyl-3-pentene C) 2,3-dimethyl-2-pentene D) 2,3-dimethyl-1-pentene