Radio waves, infrared “rays” from heat lamps, the waves that heat food in a microwave oven, ultraviolet rays, and x-rays are all considered types of what kind of energy.

They are all considered to be electromagnetic radiation. In this kind of radiation or energy, electric and magnetic fields vary at the same time, creating rates or frequencies that determine the different types of "rays" and how much energy each wave carries -the higher the frequency is, the more energy it bears.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane