The definition of atomic structure is the positively charged nucleus and the negatively charged electrons circling around it, within an atom.
The second law of thermodynamics states that in a reversible process, the entropy of the universe is constant, whereas in an irreversible process, such as the transfer of heat from a hot object to a cold object, the entropy of the universe increases
Lithium fluoride is a solid at room temperature because it is a salt that is held together by ionic bonds. Lithium. fluoride has a giant ionic structure.
The answer to your question is A. the wind exerts a force on the leaf causing its motion to change