How do scientists test their hypothesis a. stating a problem
b. conducting experiments
c. communicating results
d. stating a conclusion

B

Explanation:

B.

Explanation:

They conduct multiple experiments to test their theories and hypothesis, and if it comes out wrong, or different, they keep conducting experiments to find the correct answer or solution

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.

there's the proffessional site that will you.