What Could Ultimately Be Linked to the Lack of Water

question 13

Multiple Choice

What could ultimately be linked to the lack of water on Mars?

• A) The large decrease in carbon dioxide.
• B) The proximity to the sun.
• C) The lack of free oxygen in the atmosphere.
• D) The lack of outgassing from the interior of the planet

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Definitions:

Nitrous Oxide

A colorless gas with a slightly sweet odor, used as a sedative and analgesic in dentistry and surgery, and also known for its contribution to greenhouse gas emissions.

Surface Ozone

A layer of ozone in the lower atmosphere acting as a pollutant harmful to humans and vegetation.

Species Richness

A measure of the number of different species present in an ecosystem, providing an indication of biodiversity.

Montreal Protocol

International agreement designed to protect the ozone layer by gradually eliminating the production of ozone-depleting substances.