Which of the following tags should be used to retrieve information from a database about dangerous weather in a particular region over a 30-year period
a. electrical storm, tornado, hurricane
b. plants, animals, microbes
c. hurricanes, florida, 1930 to 1960
d. birth rate, united states, 1952

The correct answer is C. "Hurricanes, Florida, 1930 to 1960" is the best option to retrieve information from a database about dangerous weather in a particular region over a 30-year period, because it is the only option of the chart that gives specific data about a certain meteorological event in a specific place over a given period of time. All the other options lack of some information to get a correct answer from the database.

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.