Which term describes the process that occurs as Arctic sea ice melts, exposing the ocean to absorb more radiation, warm, and further melt the ice?
A. equilibrium
B. positive feedback
C. inputs
D. negative feedback
E. outputs
B
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What can be interpreted about the ecological footprints of the United States from the above graphs?
What will be an ideal response
The traveling biologist decides to contribute money to the two developing countries that seems to be doing the most for its threatened bird species, based on the percentage of land area that is set aside for conservation
What two countries will be recipients of her donations? What will be an ideal response
Porosity and permeability are:
a. directly proportional b. inversely proportional c. approximately equal in most materials d. none of the above
________ are sometimes built perpendicular to shore in an attempt to protect beaches that are losing sand from longshore drift.
A. Groins B. Tombolos C. Breakwaters D. Inlets E. Headlands