Which of the following conditions causes hypoxia?
A. rapid change in atmospheric pressure
B. extreme cold
C. combined effects of heat and humidity
D. lack of oxygen to the brain
Answer: D
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How would you classify the following material? coffee (with milk)
A) a suspension B) a heterogeneous mixture C) a solution D) an element E) a compound
Which of the following is true of the upper-level flow patterns shown in the figure?
A) The top pattern is associated with a middle-latitude cyclone due to its areas of convergence, divergence and temperature advection. B) The top pattern is associated with a middle-latitude cyclone due to its lack of areas of convergence, divergence and temperature advection. C) The bottom pattern is associated with a middle-latitude cyclone due to its areas of convergence, divergence and temperature advection. D) The bottom pattern is associated with a middle-latitude cyclone due to lack of areas of convergence, divergence and temperature advection.
In subarctic (Dfc, Dfd, Dwc, Dwd) climates, which of the following explains the presence of a continuous, thin snow cover for many months of the year?
A) High snowfall totals B) Long summers C) Geothermal energy from within the Earth D) Low evapotranspiration rates E) Above-freezing temperatures in the winter
A tornado cloud that does not touch the ground is called a ____
A) funnel cloud B) wall cloud C) roll cloud D) mesocyclone