Aggregation:

A) is the first step of the Bergeron process.
B) works best when the cloud temperature is -10 degrees Celsius or colder.
C) is facilitated by a thin coating of water on ice crystals.
D) is another term for riming.


Answer: C

Environmental & Atmospheric Sciences

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Helium, He, is a nonmetallic gas and the second element in the periodic table. Rather than being placed adjacent to hydrogen, H, however, helium is placed on the far right of the table because

A. helium is most similar to other group 18 elements. B. hydrogen and helium repel one another. C. the sizes of their atoms are vastly different. D. they come from different sources.

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Calculate the heat loss from a double-pane glass window consisting of two pieces of glass, each having a thickness of 10 mm with a thermal conductivity of k = 1.3 = >·? . The two glass panes are separated by an air gap of 7 mm. Assume the thermal conductivity of air to be k = 0.022 = >·? . Also, express the total R- and U-values.

What will be an ideal response?

Environmental & Atmospheric Sciences

Which types of amino acids interact most strongly with metal ions?

A) those with acidic side chains B) those with basic side chains C) those with nonpolar side chains D) those with polar side chains

Environmental & Atmospheric Sciences

There are actions that everyone can take to help reduce water pollution. Pollution will not, however, be reduced if we ____.

A. fertilize gardens and lawns with manure or compost instead of fertilizers B. minimize use of pesticides C. prevent yard wastes from entering storm drains D. do not flush unwanted medicines down the toilet E. buy commercially produced foods

Environmental & Atmospheric Sciences