How much does outer space weight

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.

Are the brightest stars low magnitude or high magnitude?

Mattias scheiden and theodor schwann studied plant and aniaml cells under a microscope.together these men concluded that plants and aniamals are made up of cells, which scientist furthered their study to complete our mordern cell theory