Which of the following soil textures will have the most rapid infiltration?
A) sandy
B) silty
C) clay
D) loam
Answer: A
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Subsidies and tax breaks for environmentally harmful businesses cost the world's taxpayers ____ per year.
A. $2 trillion B. $200 billion C. $150 billion D. $1 billion E. $500 million
What percentage more nitrogen would be saved annually by using reduced tillage rather than conventional tillage?
a. 2.7% b. 63% c. 50% d. 37%
Because of global warming, sea levels are expected to rise ________ by 2100.
A. Approximately 20 feet B. 3-6 feet C. 1-2 feet D. 6-8 feet E. None of these are correct; sea levels are not expected to rise
Which of the following is NOT a consequence that we are seeing now?
A. During the last century, global average temperature has increased by 0.6°C. B. 19 of the 20 hottest years on record have occurred since 1980. C. Coral reefs are bleaching due to increased ocean temperatures. D. Arctic sea ice has approximately 50% of its thickness compared to 30 years ago. E. All of these statements are true.