Environmental Science
The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the:

Low relative humidity of the air over the Pacific Ocean
Higher water temperature in the Gulf of Mexico
Higher air temperature in the Gulf States
Lower air temperature in Southern California

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Environmental Science
Definition of ecosystem is

The part of the earth and its atmosphere which inhibits living organisms
The community of organisms together with the environment in which they live
The abiotic component of a habitat
A community of organisms interacting with one another

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Environmental Science
Which of the following regarding ecological pyramids is not correct?

In tree dominated ecosystem the pyramid of numbers is inverted
The total energy flow at successive tropical level always decreases
In deep water ecosystem, the pyramid of biomass is upright
The pyramid of energy expresses mainly the rate of food production
In most ecosystems, the pyramid of numbers and biomass are up right

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Environmental Science
The wind direction is:

Always directly from low toward high pressure
The direction from which the wind is blowing
The direction to which the wind is blowing
Always directly from high toward low pressure

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