The uncertainty principle<span>, also known as </span>Heisenberg's uncertainty principle<span>, is any of a variety of mathematical inequalities asserting a fundamental limit to the precision with which certain pairs of physical properties of a particle, known as complementary variables</span>
Carbohydrates, lipids, proteins, and nucleic acids.
I’m sorry if it’s wrong but I think its D
Answer:
Given that a negatively charged rod is brought closer to two metal spheres which are in contact with each other as shown: So, free electrons from rod will be attracted towards the metal spheres.