The Intergovernmental Panel on Climate Change (IPCC) report outlines several observed changes in the Earth's climate that are consistent with global warming. List two of these items
What will be an ideal response?
Answer: Any two of the following:
- The number of days with frost has decreased over many parts of the midlatitude regions.
- There has been a decrease in the number of extreme cold events across much of the world, and extreme warm events have become more frequent.
- Snow cover has decreased in most areas (especially in the Northern Hemisphere), and those decreases have mostly been driven by increasing temperature. In places where snow cover increased, increasing precipitation (rather than cooling) was the cause.
- The breakup date for river and lake ice occurred earlier by an average of 6.5 days per century, and the freeze-up date occurred later by an average of 5.8 days per century.
- From 1901 to 2002 the maximum extent of seasonally frozen ground declined by about 7 percent in the Northern Hemisphere.
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Coriolis force moves winds to:
a. the right in the Southern Hemisphere. b. the left in the Northern Hemisphere. c. the North and South Poles. d. none of these.
Satellites use microwave beams to measure sea level to an accuracy of four ________
A) centimeters B) millimeters C) decimeters D) meters E) kilometers
Anemia is a common disease resulting from a shortage of dietary
A. Iron B. Vitamin A C. Folic acid D. Protein E. Iodine
Any stream may lengthen its valley by ________ and delta formation
A) headward erosion B) siltation C) saltation D) alluvial deposition E) delta erosion