PSYCHOLOGY question! A hotel maid may take a 15 minute break each time they have cleaned three rooms. Is this: A Fixed Ratio Schedule, or A Fixed Interval Schedule? Explain why.

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

When making french onion soup, how do you prepare the onions? a.sweat and caramelize b.burn c.steam d.caramelize and add mayo e. add no stock.

What do you generally see in a family when both parents are working?