Microbursts
A. are characterized by strong updrafts that can cause airplanes to crash.
B. normally display a "starburst" (radial) damage pattern from rotating winds.
C. are never accompanied by rain, and are only associated with dust storms.
D. occur in the early stage of thunderstorms when latent heat release is maximized.
Answer: B
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Tropical rainforest canopies are generally
A) a two-layer canopy that is thickest in its upper layer and thinnest in its lower layer. B) a two-layer canopy that is thickest in its lower layer and thinnest in its upper layer. C) a three-layer canopy that is thickest at the ground level. D) a three-layer canopy that is thickest in its middle layer. E) a one-layer canopy.
The Fort McMurray fire in 2016 ended up being the costliest natural disaster in Canadian history with direct and indirect costs totalling ________.
A. $9.9 billion B. $99 million C. $19.9 million D. $9.9 million
In recent years, the number of deaths caused by hurricanes has decreased, but the cost of hurricane damage has increased. How would you explain this?
What will be the ideal response?
When a Pacific coast cyclone crosses the Rocky Mountains
A) it gains strength while over the mountain range. B) it heads south. C) its relative vorticity increases on the east side of the mountain range. D) it "spins down" on the east side of the mountain range. E) all of the above