The Oldest Fossil Remains of Homo Sapiens Found So Far

question 91

Multiple Choice

The oldest fossil remains of Homo sapiens found so far date from about

• A) 6 million years ago.
• B) 1.6 million years ago.
• C) 195,000 years ago.
• D) 60,000 years ago.
• E) 16,000 years ago.

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Definitions:

Methane

A colorless, odorless flammable gas that is the simplest alkane, used as a fuel and in chemical synthesis.

Electromagnetic Spectrum

A range of electromagnetic radiation that includes visible light, infrared, ultraviolet, X-rays, and other wavelengths.

Infrared Portion

A section of the electromagnetic spectrum with wavelengths longer than those of visible light but shorter than those of microwaves.

Outer Planets

The planets in the solar system that are located beyond the asteroid belt, including Jupiter, Saturn, Uranus, and Neptune.