There are thousands of earthquakes recorded each year. Why aren't more humans killed over the long run?
What will be an ideal response?
Answer: There could various lines of reasoning: 1) There are many small earthquakes and few capable of causing great damage. 2) Most earthquakes occur underwater and have little continental impact. 3) More and more mitigation is now done. 4) Some early warning systems (notably for earthquake-generated tsunamis) are now in place.
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Identify the approximate discharge of Cache Creek when it has a gage height of
(a) 2.0 meters: __________ cms (b) 3.5 meters: __________ cms
List and describe the five factors that cause sea level to change. What will be an ideal response?
The water table fluctuates by a few meters annually.
Answer the following statement true (T) or false (F)
The world's population had reached 3.0 billion just after the year:
A) 1850 B) 1930 C) 1960 D) 2010