Discuss the characteristics and formation of greenstone belts. Why are these rocks important in explaining early Earth
history? What will be an ideal response?
Greenstone belts are composed of mafic and ultramafic pillow lavas overlain by sedimentary
rocks. These rocks are intruded by granitic magma and cut by thrust faults. These belts seem
to indicate that the plate tectonics processes were active in the early history of Earth.
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________ is an example of a prorupt state
A) Poland B) Thailand C) Zimbabwe D) Chile E) Japan
All of the following are differences of European CBDs as compared to the U.S. CBDs except
A) more people live in CBDs. B) more day-to-day consumer services in the CBDs. C) narrow streets and low-rise structures. D) contains financial services. E) poor people more likely to live in outer rings.
Projected climate changes, such as warmer temperatures, in Southwest Asia and North Africa will likely decrease the amount of runoff in the region, further stressing stream and rivers and reducing hydroelectricity potential and diminishing water
available for the region's increasingly urban population. Indicate whether the statement is true or false
The biosphere consists of the ________
A) sum of all the planet's living organisms and the abiotic portions of the environment with which they interact B) abiotic portions of the environment C) solid earth beneath our feet, plus the air we breathe D) saltwater and fresh water in surface bodies and the atmosphere E) air surrounding our planet, plus the water we drink