Which organisms burrow into the deep-ocean muds in a process called bioturbation?
A. clams
B. sea urchins
C. starfish
D. sea cucumbers
E. sponges
Answer: D
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Which of the following describes the wind direction around a surface low-pressure centre in the southern hemisphere?
A. clockwise and inward toward the centre B. counterclockwise and inward toward the centre C. counterclockwise and outward from the centre D. clockwise and outward from the centre
As in the United States, wealthier people in European cities cluster:
A) along a sector extending out from the CBD B) along major highways C) in and around the inner city's historic buildings D) in bunches around stadiums and opera houses E) along industrial parks and waterways.
Compare and contrast the concepts of capacity and competence. How would periods of flooding affect the capacity and competency of a river?
What will be an ideal response?
For what reason might the nuclei of atoms break apart in radioactivity?
A) There are too many neutrons in the nucleus. B) Electrons are being shared by two adjacent atoms. C) Forces that bind protons and neutrons together are weak. D) Protons are being exchanged between atoms.