Most of the chemical bonds formed by organisms involve the carbon atom. what does carbon atoms form

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat