Dara watches a sunset on a warm summer evening. when she is looking. directly at the sunset, which direction is she facing?

a. north

b. west

c. south

d. east

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time