What are the variables of this question: do plants grow better im sunlight or artificial light

The sun, a torch, and a light bulb all emit energy in the form of particles called photons. Researchers can successfully grow plants using only artificial light in growth chambers. But sunlight is best for most plants.

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.