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
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Most of the speakers of Tibeto-Burmese languages in South Asia live in:
A) the Northern Plains B) Southern India C) the Himalayas D) Sri Lanka E) none of the above
Carbon dioxide (CO2 )has a longer residence time in the atmosphere than methane (CH4 )
Indicate whether the statement is true or false
Common antimalarial drugs have become more effective against the Plasmodium parasites since about 1970
Indicate whether the statement is true or false
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