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                   3.  Select words from the list below to complete the following sentences. Some words
                       may be used more than once, and you may have to make the word plural or change
                       the tense.       Do not try to write the words in the spaces.


                              cirrus                       cirrostratus
                              towering cumulus             cirrocumulus

                              cumulonimbus mamma           cirroform

                              anvil

                   a.  High altitude clouds are classified as _____________________ ;  the actual

                       cloud could be ________________ , _____________ , or _________________ .

                      b.   High altitude clouds with cumulus characteristics are called __________________ .
                      c .  High altitude clouds with stratus characteristics are called____________________ .

                      d.   Cumulus clouds with extensive vertical development are called ________________
                       ______________.

                       e.  Towering cumulus clouds often form flat large tops  called _____________________ .

                       f.   Cumulus rain clouds with dark rounded bases are called _____________ _________ .
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