Protons and neutrons are fundamental particles, meaning they cannot be broken into smaller components.

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe