Approximately what percentage of patients who contract rheumatic fever develop heart valve damage?
A) 3%
B) 10%
C) 40%
D) 60%
C
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Why are you more likely to get sunburned if you visit a low-latitude location compared to a high-latitude location?
A. Solar rays strike low-latitude locations most directly. B. Solar rays strike low-latitude locations at an oblique angle. C. Low-latitude locations have a thin atmosphere and low levels of ozone. D. Low-latitude locations are closer to the Sun than polar regions.
What provides the raw material for large and complex food webs within an estuary?
A) The ocean bringing in nutrients B) Salt-tolerant plants producing carbohydrates C) Salt-tolerant plants being decomposed D) The river depositing nutrient-rich sediments
Choose the answer that places the hurricane at its proper position with respect to overall storm size
A) tornado, mid-latitude cyclone, hurricane, thunderstorm B) thunderstorm, mid-latitude cyclone, hurricane, tornado C) hurricane, mid-latitude cyclone, tornado, thunderstorm D) mid-latitude cyclone, hurricane, thunderstorm, tornado
Why do some people see humans as not subject to the law of limiting factors? How would you respond to them?
What will be an ideal response?