Are Quantum Physics, Quantum mechanics,Quantum Engagement same? or, Do they branch of each others

The topic of quantum entanglement is at the heart of the disparity between classical and quantum physics: entanglement is a primary feature of quantum mechanics lacking in classical mechanics. ... In the case of entangled particles, such a measurement will affect the entangled system as a whole

Explanation:

brown or black

Explanation:

becuase the colors will layer