The answer is 3468 kcals. Protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.
Carbohydrate = 240 gms x 4 = 960 cal Protein = 132 x 4 = 528 cal Fat = 220 x 9 = 1980 cal
Total : 960+528+1980 = 3468 calories
I would say D because both populations are constantly growing and it would be natural selection so it works out if humans just back off
B. CO2 levels in the atmosphere could increase and contribute to global warming problems.
