Stem cells have been successfully used to treat spinal cord damage, tumors, and congestive heart failure
Indicate whether the statement is true or false
True
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Research suggests that the major components of air pollution affect the health of ____ people in the United States
a. a small minority of b. a large minority of c. most d. all
Regarding attitudes, which of the following statements is FALSE?
a. Attitudes are acquired from a variety of sources in the social environment. b. Genetic factors are less important determinants of attitudes than environmental factors. c. Attitudes are more strongly linked to behaviors when the attitude can be readily recalled from memory. d. Attitudes are not especially strong predictors of behavior. e. Twin studies suggest that people inherit particular genes for particular attitudes.
At the Community Training Center, the number of credits awarded contingent upon a specific behavior would be modified if the
a. trainees refused to spend their tokens. b. tokens ceased to serve as reinforcers. c. backup reinforcers lost their potency. d. trainee had difficulty with the behavior.
Dylan is 16. He is finally taller than his sister and is experiencing muscular development, growth of facial hair, and enlargement of the larynx, which has caused his voice to deepen. These are called ____ sex characteristics.?
a. ?primary b. ?secondary c. ?static d. ?dynamic