What is a system? What are four Earth systems? What will be an ideal response?
A system is a combination of related parts that interact in an organized fashion. Earth systems include
the atmopshere, biosphere, hydrosphere and solid Earth.
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What distinguishes a subarctic climate from a tundra climate?
What will be an ideal response?
The correct order of products associated with the cyclical shifts of the Kondratiev waves is (1)textiles; (2)heavy industry; (3)petrochemicals; (4)electronics
Indicate whether the statement is true or false
A dam built to store water for irrigation may lead to high reservoir levels behind the dam and too little remaining water storage in the reservoir to prevent downstream flooding during high rainfall or snowmelt
a. True b. False
Energy flow in an ecosystem is ________
A) bi-directional B) cyclic C) semi-conservative D) top down E) unidirectional