According to the principle of conservation of energy, ____.
a. energy should never be expended unnecessarily
b. energy is perceived differently by the different senses
c. energy does not exist unless it is perceived by a living organism
d. energy is never created or lost in a system, but is only transformed from one form to another
d. energy is never created or lost in a system, but is only transformed from one form to another
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After the election of President Obama, White Americans report _____
A) more support for affirmative action policies B) more support for policies that address racial inequality C) less support for policies that address racial inequality D) feeling more positively toward all African Americans E) more need for further racial progress
An average child in the concrete operational stage of cognitive development can be expected to do all but which of the following?
a. recognize that other people's thoughts and feelings may differ from his/her own b. perform simple logical operations tied to tangible examples c. be less egocentric than her/his younger siblings d. understand that quantity or amount of an object remains constant despite superficial changes in outward appearance e. generate hypotheses and think deductively