3．Fresh snow.

2．Plate­like and columnar designs.

1．The temperature and water levels in the air.

9.impact/influence　10.increase/rise in

5．Washington DC　celled　7.strange symbols　8.mysterious knowledge　

1．adventure　2.Angels and Demons　3.explosion　4.religious secrets

4．Generally，what is the color of snow？(no more than 2 words)

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3．Under what conditions can sounds travel a shorter distance，fresh snow or old snow？(no

more than 2 words)

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2．What are the two designs snow crystals grow in？(no more than 4 words)

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