Which of the following statements regarding freshwater and saltwater drownings is correct?
A) Freshwater drowning has a much higher mortality rate.
B) Patients with freshwater drowning often require diuresis.
C) Both freshwater and saltwater can lead to pulmonary injuries.
D) Normal saline should be avoided in saltwater drowning victims.
Answer: C) Both freshwater and saltwater can lead to pulmonary injuries.
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In the region of Sub-Saharan Africa, where is Mount Kilimanjaro located?
A. In the country of South Africa B. In the island country of Madagascar C. On the border between Niger and Nigeria D. On the Tanzania--Kenya border
Oxygen-isotope analysis:
A) cannot be carried out on ice cores or sea floor sediments, but works well for tree ring analysis. B) has been shown to be of little or no use in the study of past climatic changes. C) relies on the fact that 16O evaporates from the ocean more readily than 18O. D) is very simple.
Africa is the most tropical of the world's continents, even surpassing South America and the Amazon
Indicate whether the statement is true or false
Which mineral is not a polymorph of Al2SiO5?
A) andalusite B) garnet C) kyanite D) sillimanite