Earth's Rotation Rate Is Slowing Because of

question 89

Multiple Choice

Earth's rotation rate is slowing because of

• A) radioactive decay in its core.
• B) relativistic effects of gravity.
• C) tidal forces from the Moon.
• D) the gravitational force of the Sun.
• E) gravitational drag from dark matter.

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Definitions:

UV Rays

Short for ultraviolet rays, a type of electromagnetic radiation from the sun that can cause skin damage and cancer.

Melanocytes

Cells located in the skin that produce melanin, the pigment responsible for skin color and protection against UV radiation.

Melanin

A pigment produced by melanocytes in the skin, responsible for hair, skin, and eye color, and provides protection against UV radiation.

UV Radiation

A form of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, capable of causing skin damage and other health effects.