?What makes harmful algal blooms so dangerous?
Fill in the blank(s) with the appropriate word(s).
Harmful algal blooms release waterborne and airborne toxins that poison seafood, damage fisheries, kill some fish-eating birds, and reduce tourism. Each year, harmful algal blooms lead to the poisoning of about 60,000 Americans who eat shellfish contaminated by the algae.
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The H1N1 flu virus is common in ________ but rarely transmitted to humans until recently
A) pigs B) waterfowl C) mosquitoes D) poultry E) birds
List the basic elements of weather and climate
What will be an ideal response?
Excessive seepage of groundwater can be a problem for:
a. masonry dams b. tunnels c. construction excavations d. all of the above
What happens on either side of the equilibrium line in a glacier?
A. Melting occurs only above the line and sublimation occurs only below the line. B. Air temperatures are below freezing below the line and above freezing above the line. C. Sublimation occurs only above the line and melting occurs only below the line. D. Above the equilibrium line, the amount of accumulation exceeds the amount lost by various processes.