Teresa mows the lawn and notices that bits of grass are left behind. overtime, the bits of grass disappear. what is the best explanation for this observation
a. the grass dies because cut grass cannot perform photosynthesis.
b. the grass transitions to a gaseous state as it is heated by the sun.
c. the grass breaks down because matter in the grass s released as energy.
d. the grass converts to other forms of matter when it is consumed by other organisms.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

a chain link fence because there so tiny even my albino donkey can't get out