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Geography

Geography

 
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Climate and Weather 0002   Medium

 
 
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1. What conditions are required for the ice crystal formation known as diamond dust?
 
Very cold and dry
Very windy
Very humid
Very calm

Resembles a fog consisting of ice crystals instead of water droplets
 

 
2. How deep is the atmosphere that surrounds the Earth?
 
About 50 miles
About 100 miles
About 400 miles
About 1,000 miles

The exosphere is the higest level of the atmosphere and by itself is over 300 miles deep
 

 
3. Air pressure is otherwise known as what?
 
Atmospheric weight
Atmosphere weight
Atmosphere pressure
Atmospheric pressure
 

 
4. Long-distance aircraft usually fly in which layer of the atmosphere?
 
In the lower troposphere
In the higher troposphere
In the stratosphere
In the exosphere

Long distance aircraft perform most efficiently between about 10,000 and 15,000 metres
 

 
5. As far as the weather is concerned, what is the most important gas in the atmosphere?
 
Oxygen
Water vapour
Nitrogen
Helium
 

 
6. The currents of which ocean produce the El Nino effect?
 
Indian
Atlantic
Pacific
Arctic
 

 
7. The sky looks blue because light is scattered by what?
 
Ice Crystals
Ozone
Gas molecules and dust particles
Water droplets
 

 
8. How long ago did the last ice age peak?
 
Approximately 20,000 years ago
Approximately 200,000 years ago
Approximately 2 million years ago
Approximately 20 million years ago
 

 
9. Precipitation is a word used to describe what?
 
Wind
Atmospheric pressure
Rain, snow and hail
Humidity
 

 
10. Ash coming into leaf before Oak is supposed to signify what?
 
It will be a wet summer
It will be a dry summer
It will be a hot summer
It will be a cold summer

"Ash before Oak, we are in for a soak; Oak before Ash, we are in for a splash."
 

 
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