The combination of gases that surrounds and protects the earth is known as: air ozone atmosphere oxygen

Larry is taking a walk in the park, the pollen in the air makes him sneeze consistently what line of defense is his immune system exhibiting

Protein provides 4 calories per gram. mary is on a diet that requires her to eat atleast 40 grams of protein each day. shes eaten 152 calories of protein today. how much more protein does mary need to eat to meet her goal?

Which incomplete plant-based protein can be combined with legumes to achieve balance nutrition