Which is a force is responsible for seafloor spreading? A.

convection in the mantle

B.

condensation in the mantle

C.

the effect of tides

D.

convection in the crust

English settlers were barred from exploring the Australian interior early on because of what two geographic regions?

Between 1200 and 1535 AD, was the inca population was a strong presence in south america

The amount of each size particle in soil is the particle size distribution. Do you think this is a good way to determine particle size distribution? Why or why not

In which decade were the first important laws passed to decrease water pollution? a 1950 b 1960 c 1970<< d 1980

Which republic that ruled Italy had citizens elect representatives to rule in their name?

According to the online content article about the Earth's coastlines, what sculpts the coastline by breaking down rock and delivering sand to beaches? A. waves B. volcanoes C. earthquakes D. gravity

On which two tectonic plates does new zeland sit The phylippine and australian plates The pcific and phylippine plates The nazca and pacific plates The australian and pacific plates

What is the largest island of canada's atlantic seacoast?

Which if the following statements is true of lake Victoria

List and briefly describe earth's four major spheres.