Which of the following would inhibit the production of biogas in a fermentation chamber commonly used by small farmers?

A) Double the overall size of the fermentation chamber
B) Add equal parts of manure and water into the chamber and reseal the top
C) Leave the lid off of the top of the fermentation chamber
D) Collect biogas from an enclosed fermentation chamber


C

Environmental & Atmospheric Sciences

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A) the Northern Plains B) Southern India C) the Himalayas D) Sri Lanka E) none of the above

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Indicate whether the statement is true or false

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Common antimalarial drugs have become more effective against the Plasmodium parasites since about 1970

Indicate whether the statement is true or false

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The current through a 10 ohm resistor connected to a 120-V power supply is

A) 1 A. B) 10 A. C) 12 A. D) 120 A. E) none of the above

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