Which of the following holds the highest levels of oxygen?
A) Warm water near the surface of a marsh in Everglades National Park in May
B) Warm water in a mud puddle along a dirt road in Nebraska in June
C) Cold flowing water in a stream in Ontario in April
D) Water at the base of a waterfall that is formed from melting snow in mountains of Oregon in July
C
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What rock type is associated with seafloor spreading?
A. Peridotite B. Rhyolite C. Andesite D. Basalt
During atmospheric convection, rising air bubbles are called ____
A) wind B) vapors C) thermals D) clouds
The Canadian Shield is a defense system located in the Maritime provinces
a. True b. False Indicate whether the statement is true or false
Which sea separates Alaska and Russia?
a. Bering Sea b. Beaufort Sea c. Caribbean Sea d. Labrador Sea