Astronomers Have Detected the Presence of Various Chemicals in Deep

question 57

Multiple Choice

Astronomers have detected the presence of various chemicals in deep space similar to those thought to have been synthesized in Earth's early atmosphere. The environments where those deep space molecules originated would be most likely to contain ________.

• A) low oxygen, ultraviolet light, methane, nitrogen, and hydrogen
• B) oxygen, no ultraviolet light, and carbon monoxide
• C) abundant oxygen, ultraviolet light, methane, nitrogen, and hydrogen
• D) abundant oxygen, no ultraviolet light, methane, nitrogen, and hydrogen

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Definitions:

Nasopharynx

The upper part of the pharynx, connecting the nasal cavity above the soft palate to the oropharynx and laryngopharynx.

Tonsil

Small masses of lymphatic tissue located at the back of the throat that help in fighting off infections.

Pharyngeal

Relating to the pharynx, the part of the throat behind the mouth and nasal cavity.

Lingual

Lingual pertains to the tongue, often regarding its anatomical structure, functions, or associated phenomena like lingual nerves or lingual tonsils.