Biogas collected from landfill sites consists mainly of
A. ethane
B. ethanol
C. methan...
Biogas collected from landfill sites consists mainly of
A. ethane
B. ethanol
C. methane
D. methanol
· Decide whether each statement is true (T) or false (F). Place your answer in the blank space given.
a. The current obtained from a photoelectric cell is weak.
b. Photovoltaic cells produce no emissions during their operation.
C. The Canadian province that obtains the greatest proportion of its
electricity from hydroelectricity is British Columbia.
d. To supply the hydrogen for transportation in the hydrogen economy
will require vast amounts of electrical energy.
Answers: 3
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Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries
Answers: 2
Biology, 22.06.2019 02:00
Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment
Answers: 1
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