When the Earth formed, the radioactive materials that naturally occurred in the environment heated the planet. These radioactive materials generate heat when they decay. This heat generated is then transferred to the surface of the Earth.
The radioactive materials have no role in increasing the gravity of the Earth or poisoning the soil. Moreover, the naturally occurring radioactive materials are still present and has not disappeared.
Hence, the answer is heated the planet.
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Explanation:
The energy emitted by long wavelength waves are smaller to those emitted by short wave lengths.
The energy of a wave is a function of its wavelength and frequency.
- The wavelength of a wave is the distance between its crest.
- Frequency is the amount of waves that passes through a point in a period of time.
- Energy of a wave is directly proportional to frequency and inversely proportional to wavelength.
- The higher the frequency of a wave, the more the energy.
- Waves with a high wavelength carries very little energy.
- Long wavelength radiations have a long wavelength as the name implies. They carry very little energy and have low frequency. Examples are infra-red.
- Short wavelength radiations have short wavelength. They carry very high amount of energy and have very high frequency. Examples are x-rays and gamma rays.
learn more:
Electromagnetic radiation brainly.com/question/6818046
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