Producing a gasoline substitute in a natural gas-powered ethanol plant results in more greenhouse
gases than the equivalent amount of gasoline. Indicate whether the statement is true or false.
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Complete the following conversions using exact conversion factors (round your answers to 1 decimal place).
English System Units (a) 55 inches (b) 1774 feet (c) 220 yards (d) 23,900 miles (e) 24 quarts (f) 300 gallons (g) 26 ounces (h) 4500 pounds (i) 88°F S.I. Units (a) __________ centimeters (b) __________ meters (c) __________ meters (d) __________ kilometers (e) __________ liters (f) __________ liters (g) __________ grams (h) __________ kilograms (i) __________°C
The main difference between conglomerate and breccia is
A) the size of the clasts. B) the shape of the clasts. C) the sorting of the clasts. D) the kind of cement. E) All of these are correct.
Carbon-12 and carbon-14 are isotopes of carbon. These isotopes differ in the number of
A) protons. B) neutrons. C) electrons. D) protons, neutrons, or electrons.
All of the following are secondary energy sources except ________
A) coal B) gasoline C) electricity D) batteries