What kind of agriculture is primarily practiced in the dark-shaded areas on the map above? Shifting cultivation A Pastoral nomadism B Cattle ranching C Mediterranean D Plantation

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?