Which pollutant is formed during the incomplete combustion of carbon-containing fuels?
A) sulfur dioxide (SO2 )
B) carbon monoxide (CO)
C) carbon dioxide (CO2 )
D) volatile organic compounds (VOCs)
B
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Which of the following would be considered to be a "variable" gas?
A) argon B) oxygen C) water vapor D) carbon dioxide
Lightning, thunder and hail typically accompany cumulus clouds
Indicate whether the statement is true or false
All of the following are USDA requirements for certified organic crops, dairy, and meat except that ________
A) animal manure may be used to fertilize crops B) all animals raised for slaughter must be fed organic food or graze on land that is managed with organic practices C) vaccines may not be used on animals raised for slaughter D) genetically engineered seeds may not be used to produce organic crops
Other than recently independent East Timor, the Philippines is the only country in Asia where Roman Catholicism predominates.
a. true b. false