Volcanoes release a hazy smoke called . Steven Businger helped develop a that predicts how this smoke spreads. To model the smoke conditions, scientists measure the amount of gas a volcano is spewing.

The true confessions of charlotte doyle and "jonah and the whale" have which theme in common?

Iwas conscious that a moment's mutiny had already rendered me liable to strange penalties, and, like any other rebel slave, i felt resolved, in my desperation, to go all lengths." what is meant by the term resolved as it is used in this sentence? a) determined b) questioning c) uneasy d) unsure

Write a sentence for each of the four tenses using the subject artists and the verb create