A primary environmental cost is pollution.
Answer the following statement true (T) or false (F)
True
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The Kurds do not have their own nation-state, but in which of the following countries have they set up many of their own governmental structures and express the greatest autonomy?
A. Iran B. Iraq C. Turkey D. Syria
What is a hardship for small organisms that are associated with living on a sandy beach?
a. Sand has sharp, jagged edges. b. Capillary forces can pin organisms down within the sand. c. Organisms have a hard time finding a firm footing when burrowing. d. All of these choices
One result of the U.S. trade deficit is that the U.S. has become a debtor nation
Indicate whether the statement is true or false
Zooplankton populations in Lake Erie and the Hudson River have declined by up to 70% or more since the arrival of zebra mussels because ________
A) zebra mussels prey on zooplankton B) zebra mussels block sunlight penetration into lakes and thus prevent zooplankton from photosynthesizing C) zebra mussels carry a parasite that kills zooplankton D) waste from zebra mussels promotes bacterial growth that kills zooplankton E) zebra mussels feed on cyanobacteria, which zooplankton need as a food source