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You would need to type the numbers in the question or you could have added a picture but you didn't so there is no way to answer this question. Have a nice day!
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Doing science could be defined as carrying out scientific processes, like the scientific method, to add to science's body of knowledge.
It would be 20 protons left because 1-19= 20
<span>D. Convection occurs when heated particles of a material flow toward areas having less thermal energy. This movement of particles can only occur in gases and liquids, not solids.</span>
