How does a fire help grasslands? Choose all that apply. A. keeps trees from overtaking the grasses

B. preserve biodiversity

C. helps contain only coarse grass

D. all of the above

b

preserve biodiversity

cuz he is really really short, assuming an unorthodox and inherently unlucky configuration of elevator buttons…

explanation:

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.