The lithosphere is broken into ________ major plates and many minor plates
A) seven
B) nine
C) twelve
D) fifteen
Answer: D
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What do the components of a conceptual model have in common?
A. Each component must correlate with a corresponding component of a physical model. B. All components are mutually independent of each other. C. All components interact with each other. D. The components have nothing in common. This is what differentiates a conceptual model from a physical model.
The salinity of seawater remains constant because
A. salinity measurement technology is unreliable. B. salts are removed from seawater about as fast as they are deposited. C. salts are included in the molecular formula of seawater. D. salts no longer form in the ocean.
Why do melting glaciers cause sea level to rise?
A. The melted water runs into the ocean, increasing the volume of the ocean. B. Melting glaciers cause sea level to lower, actually. C. Melted glaciers lower the temperature of the ocean, causing ocean water to expand. D. Glacial ice when mixed with sea water, cause the volume of sea water to increase.
The individual components of a system are called:
a. natural resources. b. variables. c. absolute location. d. pictorial models.