The human embryo and all other vertebrate embryos have gill slits this beat support the following A. Fish are humans closest relatives

B. Fish are in the same genus as man

C. All vertebrates are related

D. The embryo breathes uderwater

i it is d i hope it

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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.