Does photosynthesis or ce produce carbon dioxide

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass