When are big earthquakes most likely?
a. when friction between rocks is variable
b. when friction between rocks is moderate
c. when friction between rocks is high
d. when friction between rocks is low

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain

Select the sentence from the section "father inspired her belief in education" that is most relevant to the central idea of the article.

What was the main purpose of the "four freedoms" speech?