Tuesday
October 21, 2014

Homework Help: Science

Posted by Anonymous on Wednesday, October 2, 2013 at 12:54pm.

An advertisement claims that three out of five dentists prefer a particular type of toothpaste. After researching the study, you find that the toothpaste company paid for it. Why should you be skeptical of the advertisement's claims?

a. because the dentists are showing experimental bias.
b. because only dentists were involved in the study.
c. because the organization that paid for the study is biased.
d. because you do not like the toothpaste being advertised.

C?

If a bowling ball were moved from the Earth to the moon, how would its mass and weight change?

a. the bowling ball would weigh the same, but its mass would increase
b. the bowling ball would weigh the same, but its mass would decrease
c. the bowling ball would weigh less on the moon, but its mass would stay the same
d. the bowling ball would weigh more on the moon, but its mass would stay the same

C

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