Answer:
If you are asking what they mean,and what the difference is, here is what i found.
Explanation:
An epidemic disease is one “affecting many persons at the same time, and spreading from person to person in a locality where the disease is not permanently prevalent.” While a Pandemic is an epidemic that has spread over a large area, that is, it’s “prevalent throughout an entire country, continent, or the whole world.” Hope this makes sense!
The correct answer is the peacock. The plumage found in Indian peacocks are because of the Bragg reflection phenomenon.
Explanation:
Bragg's law, or Wulff–Bragg's position, a special event of Laue diffraction, gives the plans for coherent and incoherent scattering from a crystal lattice. When X-rays are conflicted on an atom, they make the electronic cloud move as does an electromagnetic wave and it is observed in peacock.
Answer:
pretty sure it's d not sure also might be b but I think it's d