Friction is the force going against the object in motion and kinetic energy is the type of energy that means an object is in motion. I’m pretty sure this is the answer.
Answer: This was curious, because during so-called REM sleep (rapid eye movement), our muscles are usually paralysed. Researchers realised that inducing a similar state in animals could allow them to probe how they dream.
Explanation:
Convection currents are vertical circular movements of fluids that transfer energy due to changes in density.
