Environmental Science
The wind-chill factor:

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
Tells farmers when to protect crops from a freeze

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Environmental Science
What is the cause of the Exxon Valdez?

none of these.
a ship which wrecked on the coast of India
Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
a plane which crashed and caused death of human life

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