Most earthquakes happen:
a.) near passive margins
b.) near subduction zones
c.) in the middle of continents
d.) in a ring around the atlantic ocean

Which movement developed in the early 1900s and encouraged the nationalist spirit of africans throughout the world? a. african nationalist b. tribalism c. pan-africanism d. african union

Political boundaries are determined by the political party in control at the time. true or false

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed