HELP IM TIMED Which statements describe chemical changes? Check all that apply.

They change a substance’s properties.
They change a substance’s identity.
They can usually be reversed.
They keep a substance’s arrangement of atoms the same.
They change a substance into a different substance.

So what you would do is go through and add 3 teaspoons(tsp) 6 times because of the 6 tablespoons(tbsp). which will give you an answer of 18. another way is to multiply 3x6=18.

The correct answer is "false"

The surface of the water droplet is held together by the attraction between molecules. in order for water to flow more easily into these small spaces, you need to decrease its surface tension. you can do this by adding soap, which is a surfactant (a material that decreases the surface tension of a liquid).

The image seems to be behind the mirror, but nothing is really there. if someone looks behind the mirror, there is no image there.