Select the correct statement(s)

Moderate

A

Electromagnetic radiation is a form of energy consisting of oscillating electric and magnetic fields
B

Visible light is a form of electromagnetic radiation
C

The electromagnetic spectrum of sunlight received at the Earth's surface differs from the emitted by the Sun
D

Ultraviolet radiation is absorbed in the stratosphere by ozone and oxygen

Solution

Oscillations travel through space at a velocity of light, thus electromagnetic radiation is in the form of energy E = hv - true.
Radio waves, microwaves, X-rays are part of visible light - thus, true.
Some of the radiation are absorbed in the atmosphere, hence spectrum differ - true.
Ozone layer absorbs ultraviolet radiation - true.

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