Frozen methane molecules are called
A) methane anhydrate.
B) anhydrous methane.
C) anoxic methane.
D) methane hydrate.
Correct Answer:
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Q10: Nitrate (NO3- ) reduced into ammonia (NH3)
Q11: The metabolic process of denitrification
A) oxidizes NO3-
Q12: Which of the following is NOT a
Q13: Diatoms require silicon due to their
A) DNA
Q14: When dimethylsulfoniopropionate (DMSP) is aerobically degraded in
Q16: Mercury is NOT used in
A) neurotoxins.
B) pesticides.
C)
Q17: The burning of fossil fuels produces significant
Q18: Which statement exemplifies the biological pump concept?
A)
Q19: The metabolic process of ammonification _ ammonia.
A)
Q20: Which of the following is a sulfide?
A)
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