Physics involves the study of atomic and molecular fields.
a. true
b. false
a. true
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For each italicized word, circle the letter of the correct definition. Stealth means
a. dishonesty b. mystery c. secrecy
El asistente menciona estos deportes:
En el vuelo a Puerto Rico: Consejos de un asistente de vuelo Escucha lo que dice un asistente de vuelo antes de despegar el avión. a. montar a caballo y hacer tirolesa. b. saltar en bungee y hacer senderismo. c. bucear y hacer paracaidismo.
In what has been called an earth-shattering discovery, evidence of life on Mars was
recently uncovered. A) adjective B) adverb C) noun
If you are uncertain about the information on a Web site, you should
a. assume that it is reliable and trustworthy. b. cross-check the information with another source. c. make sure the site has a commercial sponsor. d. follow the links to a more reliable-looking source.