What is a Richter magnitude based on?
A. Human observations
B. Measurements with a seismograph
C. Volcanic activity
D. None of these choices are correct
Answer: B
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________ attempts to integrate the growing of crops and the raising of livestock as much as possible at the level of the individual farm
A) Organic and traditional farming B) Family farming C) Organic farming D) Sustainable agriculture E) Commercial farming
Half of the vehicles sold in North America are assembled in North America, and most of the remainder are assembled in China and Japan
Indicate whether the statement is true or false.
The earliest atmosphere of Earth was ____
A)essentially the same as our modern atmosphere B)composed entirely of nitrogen C)composed of ozone and hydrogen D)blown into space by solar wind E)composed entirely of ozone
What is the natural capture and long-term storage of carbon in sinks such as forests, farmlands, and oceans called?
a. cap and trade b. carbon sequestration c. environmental degradation d. clean development mechanism e. carbon scrubbing