Answer: There is no fundamental difference
Explanation:
There is no fundamental difference between visible light and invisible light such as radio waves and X rays. They are all electromagnetic waves that differ in only one way: their wavelength.
Answer:
Low oxygenated areas are called hypoxia.
Low oxygenated waters are called anoxic waters which is a more severe condition of hypoxia.
I don't know 1 but number 2 is quark
Answer: Greeks considered religion necessary to the well-being of the state. temples dedicated to gods and goddesses were the major buildings in Greek cities. they held festivals and other events to honor the gods. there were 12 gods, used the oracle to reveal the future.
Explanation:
I'd say it's C, a psychological disorder and normal are very different so they are very clearly defined.
I apologize if this is incorrect! But, I hope it helps!