Suggest one reason why some people are against adding fluoride to tap water

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

Why is permeable soil best for plants that need a lot of drainage?

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring