Need to have ADHD symptoms for at least ____ months in order to be diagnosed.

The total amount of time husbands spend on housework and childcare is often not related to

a. how traditional their attitudes are b. the age of their children c. whether their wives have paid jobs d. the age of the husbands

While finger painting, Chris mixed yellow paint and blue paint and ended up with green, an example of

a. trichromatic theory. b. additive color mixing. c. subtractive color mixing. d. multiplicative color mixing.