What human activity commonly separates a longshore current from its sediment supply?
A. Removal of artificial levees
B. Removal of dams
C. Dredging
D. Removal of seawalls and jetties
Answer: C
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In World Systems Theory, the periphery includes:
a) countries with less political and economic power. b) the most powerful countries that exacerbate economic differences for profit. c) regions that are just now bursting onto the world stage. d) countries with minimal environmental externalities.
Manchester, England has large areas that have been abandoned as industry left; these are called:
A) demolition zones B) brownfields C) industrial re-evaluation zones D) redevelopment target areas
Weather and climate are synonymous terms
Indicate whether the statement is true or false
Introduced disease causing organisms are especially dangerous to new environments because they can destroy the non-native host. This happens because the disease causing organisms
A. Are specialists and destroy the individual organisms that have not developed resistance B. Have not evolved with this host to achieve the normal balance for long-term survival C. Do not have natural predators D. Are generalists and highly competitive E. Are opportunists and in order to survive must out compete all other species