The correct answer is 1806 Kcal.
The fats comprise of 9 calories per gram.
The carbohydrates comprise of 4 calories per gram.
The protein comprises of 4 calories per gram.
And alcohol comprises of 7 calories per gram.
The calories used in foods are written as Kcal.
By calculating all the values, we get the answer as 1806 Kcal.
C. Mining asteroids has not really been a concern unlike the other 3.
I believe it would be the last one since it is from the national institutes of heath, and that it the most reliable source.