A soap manufacturer wants to prove that their detergent works better to remove tough stains. To conduct a valid experiment, what should be the
control group?
Your answer

Please help

An exact same stain but with no detergents or other chemicals added to it.

Explanation: A control group is defined as the group in the experiment that does NOT recueve any treatment by the researchers this shows that the control group should not have any detergent or anything else added to help get rid of the stain

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

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.