Does using toothpast with baking soda make my teeth whiter than toothpaste without baking soda? What's the Independent variable and what's the dependent variable, and also constant.

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

You can decrease the resistance of a length of wire by