Sky Blue:
The sky is blue because,when sunlight collides with our atmosphere, colours of the shortest wavelengths (violet and blue) are scattered, and our eyes are more sensitive to see blue.
Sheep:
Sheep have an amazing retaining ability. They can remember faces of humans and sheep for many years.
Volcanic Ash:
Volcanic ash can be a threat to aircraft, in particular those with jet engines where ash particles can be melted by the high operating temperature.
The sky is blue because,when sunlight collides with our atmosphere, colours of the shortest wavelengths (violet and blue) are scattered, and our eyes are more sensitive to see blue.
Sheep:
Sheep have an amazing retaining ability. They can remember faces of humans and sheep for many years.
Volcanic Ash:
Volcanic ash can be a threat to aircraft, in particular those with jet engines where ash particles can be melted by the high operating temperature.
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