6. How do scientists determine when an era begins and when it ends?

Why are cyclones generally associated with clouds and rain?

Where do shells come from?

Which factors threaten North America's forests? aquifers logging non-native species offroad vehicles organic farming overgrazing wildfires

A scientist observes hot water erupting from a vent in the Earth. What most likely caused the water to rise and erupt from the vent? The vent was lower than the water table. A well was drilled into a pressurized aquifer.

Give an example of a forced migration.

What does these coordinates go to? 40.720059,-89,273147

Which canadian territory was given to the native inuit people in 1999?

Which term refers to the mix of nations economies and cultures? A. colonization B. economienda C. emancipation D. globalization

Which eastern Asian countries occupy the Čhoson Peninsula between the Yellow Sea and the sea of Japan?

What pattern of diffusion of Catholicism can be observed from the map? Catholicism did not spread to Asia. Most South Americans are Catholic. Catholicism has diffused worldwide. Catholics are a majority in North Africa.