Environmental Science
If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first?

Rest half forests will maintain this imbalance
Some species will be extincted
Population and ecological imbalance will rise up
Energy crisis will occur

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Environmental Science
The wind-chill factor:

Tells farmers when to protect crops from a freeze
Indicates the temperature at which water freezes on exposed skin
Takes into account humidity and air temperature in expressing the current air temperature
Determines how low the air temperature will be on any given day
Relates body heat loss with wind to an equivalent temperature with no wind

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