But annual rainfall and temperature fluctuations are much smaller in magnitude than acorn crop sizes. How does this sentence help the author develop the ideas in the passage?

How would you write "the fourth of july? " the 4th of july or the fourth of july? are they both grammatically correct?

Hey can you guys g on my account and keep

During the industrial age, what was one important way businesses told consumers about new products? through phonographs through telephones through telegraphs through catalogues