Answer as soon as possible/
Which of the following sustainable farming practices allows farmers to rely on their own water supply, rather than bringing in water from different locations?
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A. drip irrigation
B. using well
C. using insecticide
D. crop rotation

B

Explanation:

Insecticides would worsen their own water supply, drip irrigation is using another source, I think, crop rotation just helps crops grow, so using a well would , well work

it has one origin of replication, but it proceeds in two directions - d)

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.