B.
I hope this will help a bit (Forgive me of its wrong pls)
Answer:
Explanation:
D. Parasitism
The mosquito is taking blood from the human, and injecting malaria and other irritations
Only take on certain discrete values of energy. This contrasts with classical particles, which can have any energy. These discrete values are called energy levels. The term is commonly used for the energy levels of electrons in atoms, ions, or molecules, which are bound by the electric field of the nucleus, but can also refer to energy levels of nuclei or vibrational or rotational energy levels in molecules. The energy spectrum of a system with such discrete energy levels is said to be quantized
Answer:
the agricultural revolution is the time where people went from mostly being Hunters and Gatherers to mostly farmers, a very long time ago