Which of the following statements about organic food production is true?

A. Organic farming has allowed U. S. agriculture to become the most efficient and productive in the world.

B. It may involve the use of antibiotics and hormones for livestock, as long as no chemicals are added to crops.

C. Organic livestock must be fed organic feed.

D. The soil is fertilized with commercial inorganic fertilizer, with the use of cover crops every fourth year.

E. Organic farms must be kept insect-free to allow for the crops to survive without the use of pesticides.

carbohydrates are the body's preferred source of energy.

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

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sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls