________ is a term used to define 88% of Earth's history prior to the start of the Paleozoic era
A) Quaternary
B) Precambrian
C) Paleogene
D) Jurassic
Answer: B
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Why are precursor events important?
A) Precursor events provide warning that a hazardous process is becoming active. B) Precursor events help to define the magnitude and frequency of an event. C) Precursor events define the history of a hazardous process. D) Precursor events reveal linkages between hazards.
What circumstance would decrease the likelihood of a couple having a child?
A. the use of children as an essential part of the family labor force B. lack of contraceptive availability C. opportunities for women to participate in education and employment D. the lack of a public or private pension system E. high infant mortality rates
In the Russian region, USSR stands for
a. Union of Soviet Socialists Republics. b. Union of Stalin Social Republics. c. United Social States of Russia. d. United Stalin States of Russia. e. Union of Social States Republic.
The 500 mb pressure patterns displayed would bring ________ to Texas and the High Plains.
A. zonal flow, supporting storm formation B. zonal flow which neither suppresses nor supports storms C. a ridge of high pressure, suppressing storm formation D. a trough of low pressure, supporting storm formation