The ________ is a layer of liquid nickel and iron believed to be responsible for generating the Earth's magnetic field
A) Crust
B) Mantle
C) Outer Core
D) Inner Core
Answer: C
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The air inside a room is at a temperature of 70°F and has a mixing ratio of 7.6 g/kg. What is the dew point?
What will be an ideal response? __________ °F
What is a typical residence time for a stream in Ohio?
A. 1 hour B. 1 day C. 1 week D. 1 month
How do mineral substitutions occur?
A) If minerals deep within the Earth's surface melt, elements may mix together and substitute within mineral structures. B) If minerals in water dissolve, elements may mix together and substitute within mineral structures. C) Elements that do not have similar ionic charge or size often attract each other and substitute within mineral structures. D) Elements with similar ionic charge, size, or both substitute for each other within mineral structures.
Which term describes the amount of cumulative land and water required to provide the raw materials a person or population consumes and to dispose of the waste that is produced?
a. demographic transition b. TFR c. ecological footprint d. carrying capacity