The total ecological footprint for humanity is expected to be

a. twice the planet's ecological capacity by the year 2015
b. 30% higher than the planet's ecological capacity by the year 2035
c. 60% higher than the planet's ecological capacity by the year 2035
d. 30% higher than the planet's ecological capacity by the year 2015
e. twice the planet's ecological capacity by the year 2035


E

Environmental & Atmospheric Sciences

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What was not an invention rendered by the Chinese to facilitate their ocean voyages?

a. Central rudder system b. Watertight compartments c. Chronometer d. Compass

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Which of the following processes/situations may alter regional land elevation?

A. heating or cooling B. thrust faulting or normal faulting C. intrusions of magma D. erosion or deposition E. All of these processes/situations can alter regional land elevation.

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Where is the majority of the Earth's water?

A. atmosphere B. oceans C. land

Environmental & Atmospheric Sciences