Today, media coverage is generally positive and hopeful in tone

The cleanest form of energy production is

a. electric power. b. electric-gas hybrid engines. c. nuclear power. d. clean-burning methanol and ethanol.

An advantage of internet-based research includes the fact that

a. researchers interact with participants in the evening when they are generally less busy. b. the researcher doesn't have to worry that participants don't understand the directions. c. the project can generate samples that are broader than the typical samples of college students. d. investigators don't have to worry about informed consent from participants at remote locations or other countries.