Which process is the main source of movement

b. the carbon cycle ensures living things have a source of hydrogen

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.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

the correct option is option d