Which of the following components of a "typical" soil is least abundant?
a. water
b. gases
c. organic matter
d. mineral matter
e. unweathered rock
C
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We can reduce the amount of CO2 released into the atmosphere by driving our cars less. What would be the reduction in pounds of CO2 released into the atmosphere by a car that is driven 10,000 miles per year instead of 12,000 miles per year?
What will be an ideal response?
What is the restoring force of a wave?
A) The force of that creates the wave B) The force that returns water to a calm state C) The force that determines a wave's size D) The force that allows waves to build energy
Globalization via the Internet and social media has been most effective addressing which of the following problems?
A) The dispersion of exotic species to new locations in the world B) The spread of infectious organisms C) The challenges of producing and distributing enough food for the people of the world D) Global climate change
Vast amounts of sand are moved by ________.
A. longitudinal currents B. longshore currents C. breakers D. surf E. Army Corps of Engineers