Which statement is true about pitch? larger objects generate a higher pitch

There's no reason why larger objects generate a higher pitch. For example, a Cello can make the some of the same pitches as a violin. Also, when you increase the pitch, you also increase the frequency of a sound. Hopefully you can work out which is the right answer from these information. :)

The period that marks the paleolithic era is between the 250,000 to 10,000 years.