11 points! omg plz plz plz ! i really need it! only answer if you know what it is which is a major problem with africa's export economy? a. african businesses have to compete with each other b. raw materials earn less profit than finished goods. c. export economies lead to quick industrialization d. africa relies too much on import tariffs

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

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

How does australia influence people