Environmental Science
The wind direction is:

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

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Environmental Science
The wind-chill factor:

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

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