Which best describes the results of becquerel’s experiments?

when placed in sunlight, the uranium did not form an image and when placed in darkness, the uranium did form an image.
when placed in sunlight, the uranium did form an image and when placed in darkness, the uranium did not form an image.
both formed images when placed in their respective places.
neither formed images when placed in their respective places.

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.