Without a control group there wouldn’t be any basis for knowing if a result is due to the variable being tested
Answer is B. The length of a day on mercury is much longer than Earth
Answer:
Complex carbohydrates contain longer chains of sugar molecules than simple carbohydrates. The body converts these sugar molecules into glucose, which it uses for energy. As complex carbohydrates have longer chains, they take longer to break down and provide more lasting energy in the body than simple carbohydrates
Explanation: