Which three organisms experience predation?

Complete the following statements about the functions of the digestive system.carbohydrates and fats are digested in secretes enzymes that aid in the digestion of carbohydrates, fats, and proteins.the secretes bile; bile is stored in undigested food is processed into feces in feces is then stored in until it is eliminated from the body via

What was the land like over 500 million years ago? what was under the sea?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?