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
Question 2
The eruption of Mt. Pinatubo in the Philippines
A) affected only local, island ecosystems.
B) produced large amounts of sulfur dioxide but few aerosols.
C) produced aerosols that blocked the sun and resulted in a drop in global temperatures.
D) caught the human populations unaware, giving no prior signs of activity.
Predicted effects of piscivores on planktivore, herbivore, and phytoplankton biomass and production
Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe
Protoneuridae is a family of damselflies. Most species are commonly known as threadtails, while othe
fermentation
The neural pathway responsible for the production and learning of song in the male canary.
The Glycemic Index of Commonly Eaten Foods The glycemic index of a variety of foods