There are 3 doors one door has a killer micky mouse and the 2 door has a dangerous crocodiles and the last door has a brick wall which door do you go in?

The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. this simple process iswhich kind of a change? a.a physical changeb. a chemical changec. a nuclear changed. an ionic change

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?