Think about some criteria that are important when developing a product such as toothpaste. What trade offs would you consider making to ensure that your most important criteria are met in your final design solution

the taste and how clean the product gets your teeth, would most likely be the most important factors in making a tooth paste.

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.