Firefighters spray water on a fire to _________________.
A) drown it by cutting off the oxygen supply
B) disrupt the chemical balance of carbon,hydrogen and oxygen needed combustion
C) coat the unburned vegetation and block oxygen from contacting it
D) reduce heat
Correct Answer:
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Q2: During the process of pyrolysis,cellulose in wood
Q3: The organic debris left on the ground
Q4: Australia's eucalyptus forests are _.
A) naturally resistant
Q5: In the photosynthesis reaction in plants,_ is
Q6: Wildfires that race through the treetops are
Q7: Fire-dependent natural ecosystems include all but which
Q8: Which of the following is not one
Q9: In Mediterranean climates frequent wildfire is necessary
Q10: In Canada,lightning-caused wildfires _.
A) are more frequent
Q11: Heat flows outward from a fire by
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