Weather conditions which cool the surface and warm the air aloft create:
a. neutral conditions
b. unstable conditions.
c. stable conditions.
d. None of these choices.
c
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In the most recent phase of migration to the United States (1970-present), where are the majority of immigrants coming from?
A) England and Africa
B) Ireland and Germany
C) Southern and Eastern Europe
D) Canada and Latin America
E) Latin America and Asia
Which of the following is an accurate statement about a sea breeze?
A. It is strongly affected by the Coriolis force. B. It flows from land to sea. C. It is most common in winter. D. It requires the formation of a surface low-pressure centre inland.
Briefly explain how sea level could fall in one region while it is generally rising elsewhere. What will be an ideal response?
Why do the minerals calcite and dolomite bubble with the mineral or its powder are placed in hydrochloric acid?
A) The acid reacts with the mineral to release CO2 gas that is bound into the crystal as carbonate ion. B) The acid and the mineral together react with oxygen in the air, releasing CO2 gas. C) Both minerals are metal hydrides, and when placed in hydrochloric acid they give off hydrogen gas. D) Both minerals are sulfides, and the acid reacts to release sulfur dioxide gas.