Environmental Science
What is the cause of the Exxon Valdez?

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

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Environmental Science
Infrared and visible satellite images might provide:

A way of identifying clouds suitable for cloud seeding.
A way of determining cloud thickness and altitude.
A way of distinguishing between "new" and "old" clouds.
A way of distinguishing between wet and dry clouds.

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