According to the DSM 5, a diagnosis of bulimia nervosa requires binge and compensatory behaviors should occur at least
O A. once a month for 6 months.
O B. twice a week for 6 months
O C. twice a week for 3 months.
O D. once a week for 3 months

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?