Answer:
the 2nd one
Explanation:
All other symbols are for Mathematics.
Answer:
Protons, Neutrons, and Electrons
Explanation:
Why did you post this again? Because you're lazy and wanted people to not see my post? Once again, ONE QUESTION AT A TIME. We're here to help you with a tough question or work you through it, not do all your homework.
Plastic doesn’t connect to metals
Answer:
A physicist
Explanation:
Physics is that aspect of science that deals with nature and matter in relation to energy. Electricity is a source for energy
