What Is the Origin of Martian Meteorites

question 29

Multiple Choice

What is the origin of Martian meteorites?

• A) they are rocks brought to Earth by Martians
• B) they are rocks brought back to Earth by sample return missions
• C) they are rocks blasted from the surface of Mars by volcanoes; these rocks then floated around in interplanetary space before falling to Earth
• D) they are rocks blasted from the surface of Mars by impacts; these rocks then floated around in interplanetary space before falling to Earth

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Definitions:

Calcium

A chemical element essential for living organisms, particularly in cell physiology, where it plays a key role in various bodily functions including bone formation, muscle contraction, and blood clotting.

Potassium

A chemical element (K) and a key electrolyte in the body, crucial for nerve function, muscle contraction, and maintaining fluid balance.

Action Potential

A sudden, temporary reversal of the electrical charge across a cell membrane, which travels along neurons to transmit signals.

Sodium

A chemical element with the symbol Na, essential for many bodily functions, including the regulation of blood pressure and fluid balance.