Which statement is false about forest fires in Canada?

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BlackTom AI · Accepted Answer

Question restatement: The prompt asks which statement about forest fires in Canada is false, given four options to evaluate.
Option 1: 'Wildfires are normal components of many Canadian forest ecosystems.' This is true. Fire is a natural part of many boreal and temperate forest ecosystems in Canada, contributing to renewal, seed release, and habitat diversity in many species.
Option 2: 'The number of fires started by humans is the double of those started by lightnings.' This is likely false. While human-caused fires do constitute a substantial portion of total fires, and the number of human-caused ignitions can exceed lightning ignitions, it is not widely supported in Canadian fire statistics that human-caused fires are exactly double the number caused by lightning. The actual ratio is variable by year and region, and lightning ignitions can still outnumber human ignitions in some periods or areas. The claim of a precise factor of two overstates a specific ratio and is not a generally accepted universal rule.
Option 3: 'The area burnt by fires started by lightnings is much larger than the area burnt by fires started by humans.' This is true. Although there are more lightning-ignited fires in some seasons, each lightning-caused fire tends to be larger on average and can burn extensive areas, leading to a greater total area burned by lightning fires compared to human-caused fires overall.
Option 4: 'The forest area burnt in Canada every year is in the order of millions of hectares.' This is true. Annual burned areas in Canada often reach several million hectares, depending on the year and fire season severity, especially in boreal regions.
In summary, option 2 stands out as the statement that does not align with typical Canadian fire statistics, because it asserts a precise and large ratio (fires started by humans being double those started by lightning) that is not consistently supported by observed data and varies by year and region. The other statements align with general understanding of Canadian fire regimes, where wildfires are natural, lightning-caused fires can burn large areas, and annual burned areas reach into the millions of hectares.

FRST_V 100 101 2025W1 FINAL EXAM

Which statement is false about forest fires in Canada?

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