Environmental Science
Which of the following is not a reason why water warms and cools much more slowly than land?

Water has a higher heat capacity
A portion of the solar energy that strikes water is used to evaporate it
Heat energy is mixed in a deeper layer of water
Solar energy penetrates more deeply into water
It takes more heat to raise the temperature of a given amount of soil 1oC than it does to raise the temperature of water 1oC

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

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Environmental Science
Suppose it is a winter night and at about 11 p.m., the air cools to the dew-point temperature and a thick radiation fog develops. If the air continues to cool during the night, in 5 hours the dew point temperature will probably:

Increase as the air becomes moister
Decrease as the air becomes drier
Increase as the air becomes drier
Decrease as the air becomes moister

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