An example of a positive feedback mechanism is the ____________________, in which an increase in global surface air temperature might cause snow and ice to melt in polar latitudes
Fill in the blank with correct word.
ANSWER: snow-albedo feedback
snow albedo feedback
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An igneous rock texture in which larger crystals are enclosed in a groundmass of much finer-grained material is called:
a) aphanitic texture b) phaneritic texture c) polyphonic texture d) porphyritic texture e) mylonitic texture
What are the possible methods to alleviate the future mineral-resource shortages?
a. Increase or extend mineral supplies b. Explore marine mineral resources c. Conservation of mineral resources d. Develop new techniques that use fewer minerals e. Both a, b, and c
The transition from one climate region to another on Earth's surface is usually abrupt and easily recognized
Indicate whether the statement is true or false
The major difference in vegetation between the different humid tropical (
A) regions is that ________. A) wet tropical regions have grasslands, and tropical wet and dry regions have brush and succulents B) wet tropical regions have rain forests, and tropical wet and dry regions have grasslands C) wet tropical regions have grasslands, and tropical wet and dry regions have rain forests D) wet tropical regions have brush and succulents, and tropical wet and dry regions have grasslands E) wet tropical regions have rain forests, and tropical wet and dry regions have brush and succulents