Which of the following is an example of a

weather event?

a. The hurricane season lasts from June 1

through November 30.

b. The amount of atmospheric CO2 has

steadily increased during the last

century.

c. A windstorm blew down trees in the

Boundary Waters Canoe Area in

Minnesota on July 4, 1999.

d. Deserts are generally dry ecosystems

having very little rainfall.