A lava tube is a hollow space left when the lava within a flowing tube drains away, leaving only the
outside as hardened rock. Indicate whether the statement is true or false.
T
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According to the following reaction, which molecule is acting as a base? OH- + NH4+ ? H2O + NH3
A.
| H2O |
B. NH3
C. OH-
D.
| NH4+ |
E. none of the above
Landslides, rock falls, and floods illustrate
A) that Earth is made of rock. B) that Earth is very old. C) that Earth is dynamic. D) that the crust of Earth is stationary and static.
Globalization of the economy has
A) leveled economic differences between places. B) heightened economic differences among places. C) decreased investment in less developed countries. D) drained resources from more developed countries. E) decreased regional specialization of production.
The argument that an artificial division of labor has made earning a good income from free trade difficult for most less developed countries is called ________ ________
Fill in the blank(s) with correct word