Why are mudflows more dangerous to humanity than earthflows?
What will be an ideal response?
Answer: Mudflows are generally concentrated along drainage channels. They have more mass, are relatively rapid, and can carry along large rocks.
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Much of the catastrophic damage done by Hurricane Katrina was caused by a storm surge arriving near high tide
a. True b. False
Which of the following geologic periods was not a time of extensive anoxic bottom waters, pushing bottom-dwelling species to extinction?
A. Late Devonian B. Cretaceous C. Middle Silurian D. Jurassic
What is meant by wave base?
A. Water depth affected by a wave B. Water depth where waves are first generated C. Average height of waves D. Average height of sea level
Which of the following is the best place to view the aurora on a clear night?
A. Nunavut B. Prince Edward Island C. northern Ontario D. southern Alberta