Multiple Choice
Which particular chemical associated with volcanic emissions has been detected by various techniques in amounts that appear to vary significantly over short time-scales,indicating the possibility of active volcanoes on Venus at the present time?
A) sulfur and sulfur compounds
B) silicon and silicate dusts
C) ammonia and methane gases
D) carbon in carbon dioxide and carbon oxide
Correct Answer:

Verified
Correct Answer:
Verified
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