Most ocean ridges coincide with ________
A) divergent plate boundaries
B) transforming boundaries
C) convergent plate boundaries
D) continental plates
E) oceanic plates
Answer: A
Environmental & Atmospheric Sciences
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During the Cambrian, most of Earth’s land was located in the southern hemisphere
a. True b. False
Environmental & Atmospheric Sciences
In recent decades, unregulated open dumps have ________ in developing countries.
A. Remained the primary disposal method
B. Been replaced by sanitary landfills
C. Mostly become regulated
D. Nearly disappeared
E. Been replaced by incineration and methane generation
Environmental & Atmospheric Sciences
When an ice block that was buried in sediment finally melts, a depression called a(n) ________ forms.
A. kettle B. roche moutonnée C. horn D. drumlin E. arête
Environmental & Atmospheric Sciences
The heartland of Russia is
A. Siberia B. The North Caucasus D. The lowlands around the Caspian Sea
Environmental & Atmospheric Sciences