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Q9: When nitrogen oxides and sulfur dioxide combine
Q10: Lamprey populations introduced into the Great Lakes
Q24: Bowerbirds build elaborate nests to<br>A) attract a
Q25: Deforestation affects the climate in what way?<br>A)
Q27: What is the difficulty with establishing small,
Q45: When the back of a male stickleback
Q54: The Masai people of Kenya, in east
Q75: Cell membranes are an example of a
Q84: Which of the following types of blood
Q108: _is the year-round layer of frozen soil