In the urban areas of the United States, about 75% of residents drive alone to work.
Answer the following statement true (T) or false (F)
True
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The Atlantic continental margin is presently a(n) ____________________ margin. What will be an ideal response?
The current state of e-wastes is that ________
A) only because of the actions of charitable organizations, the recycling rate is 5% B) although recycling has improved, the majority of e-wastes are still being landfilled and incinerated C) the recycling rate has dropped significantly between 1999 and 2010 D) because the EPA has classified e-wastes as toxic, more than 95% are being recycled E) by EPA mandate, all metals in electronics have been replaced by biodegradable materials
Carboxylic acids do not form hydrogen bonds with which of the following classes of compounds?
A) alcohols B) ethers C) alkanes D) None, carboxylic acids form hydrogen bonds with all of these.
Which of the following energy sources does not produce carbon dioxide?
A. coal B. natural gas C. petroleum D. nuclear power