What is an expansive soil?
Some soils contain clay minerals that increase in volume when wet and shrink when they dry out. Any soil that expands 6% or more is an expansive soil.
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Which of the following is NOT created along convergent plate boundaries?
A) a subduction zone B) mountain ranges and active volcanoes C) rift valleys D) the world's most powerful earthquakes E) deep trenches
How do cap-and-trade programs work??
Fill in the blank(s) with the appropriate word(s).
As part of the path to sustainability, tradeoffs most specifically refer to
A. trading environmental quality for economic growth. B. trading quality of life issues for ecological enhancements. C. resolving conflicts through compromise. D. solving environmental conflicts. E. recognizing that human activities degrade natural capital.
The theory of plate tectonics describes the movement of the lithosphere floating atop which of Earth's layers?
a. Asthenosphere b. Inner core c. Outer core d. Lower mantle e. Crust