The deadly 2014 Oso, Washington, landslide was caused by ________ that caused weak sand and gravel deposits to lose their strength.
A. heavy rainfall
B. an earthquake
C. road construction
D. quickly melted snow
E. a volcanic eruption
Answer: A
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Climates in the past have always been much the same as they are today
a. True b. False Indicate whether the statement is true or false
How do economists assess (calculate) the economic health of a nation?
a. gross primary productivity b. net primary productivity c. Gross Domestic Product d. net domestic product
Hazardous waste is best defined as waste that threatens human health or the environment because it
A. is devoid of any nutrients B. is poisonous, dangerously chemically reactive, corrosive, or flammable C. an unwanted or discarded material that is not liquid or gas. D. is in violation of anti-pollution laws E. has been disposed of improperly
An analemma is best used to determine:
A) solar altitude at any given time of the day. B) the distance between the sun and the earth on any day of the year. C) the tilt of Earth's axis on any day of the year. D) the solar declination on any day of the year.