Biogas is composed of
A. methane, carbon dioxide, nitrogen and hydrogen
B. carbon dioxide, nitrogen and hydrogen
C. ethane, carbon dioxide, nitrogen and hydrogen
D. methane, carbon dioxide, nitrogen and sulphur
Answer: Option A
Solution(By Examveda Team)
Biogas differs from natural gas in that it is a renewable energy source produced biologically through anaerobic digestion rather than a fossil fuel produced by geological processes. Biogas is primarily composed of methane gas, carbon dioxide, and trace amounts of nitrogen, hydrogen, and carbon monoxide.This Question Belongs to General Knowledge >> Environmental Science
What is the cause of the Exxon Valdez?
A. Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
B. a plane which crashed and caused death of human life
C. a ship which wrecked on the coast of India
D. none of these.
A. A much higher temperature than -10o C
B. A much lower temperature than -10o C
C. A temperature of -10o C
D. A temperature of -30o C
Infrared and visible satellite images might provide:
A. A way of determining cloud thickness and altitude.
B. A way of distinguishing between wet and dry clouds.
C. A way of identifying clouds suitable for cloud seeding.
D. A way of distinguishing between "new" and "old" clouds.
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