Which does not cause dna mutations?

a) ultraviolet light

b) chemicals

c) nucleotides

d) radiation

i would have a lunch. it's one big package of food, making it one food. : p

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.