When sulfanilic acid and dimethyl-alpha-naphthylamine are added a positive nitrate test will be observed as having a color.

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic

B.carbon sequestration

Ithink scientist use creativity by asking questions about the natural world by using prior knowledge to solve problems.