In the 1800s Lord Kelvin Estimated the Age of Earth,utilizing

question 22

Multiple Choice

In the 1800s Lord Kelvin estimated the age of Earth,utilizing a number of assumptions.Which wrong assumption was the primary reason why his estimate (approximately 20 million years) was so wildly inaccurate?

• A)that Earth was once hotter than it presently is today
• B)that Earth may have been molten when first formed
• C)that no new heat has been added to Earth since its initial formation
• D)that Earth would lose heat over time through radiation into outer space

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Definitions:

Sensory Information

Data received by the sensory organs (e.g., eyes, ears, skin, nose, tongue) that is then processed by the brain to form perceptions of the environment.

Thalamus

A brain structure that acts as a relay station, processing and transmitting information to various parts of the brain.

Hypothalamus

A crucial brain structure involved in controlling various endocrine functions via the pituitary gland, playing key roles in the regulation of the autonomic nervous system and maintaining the body's homeostasis.

Pituitary Gland

The pituitary gland is a small, pea-sized gland located at the base of the brain, crucial for controlling growth, metabolism, and the function of other glands in the endocrine system.