Sleep is the difference between the amount of sleep attained and the amount of sleep needed in order to maintain alert wakefulness during the daytime.

Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air