Which best describes an element? a pure substance a type of a mixture a pure compound an impure substance

An element is a pure substance. It is the purest and most basic form of any substance on Earth. There are a total of 118 discovered elements, 94 of which naturally occur on Earth. The 24 other elements are synthetic or man-made. Elements are atoms that are made of subatomic particles known as protons, electrons, and neutrons.

Yes you are correct use the scientific method

12 is probably the typical age for a first kiss but i think its to young.