The frequency of a given region of the electromagnetic spectrum ranges from 4 × 1014 to 7.5 × 1014 hz. the speed of light is 2.998 × 108 m/s. which waves are found in this region? a. microwaves b. infrared rays c. visible light d. ultraviolet rays

C. visible light

Explanation:

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.