Why plants need the carbohydrates they produce in photosynthesis?

Green plants create carbohydrates on their own through the process of photosynthesis. Those carbohydrates are the plant's source of fuel for growth. If even one basic ingredient a plant needs for photosynthesis is absent or lacking, the plant's health can suffer, resulting in stunted growth or reduced production.

Explanation:

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.