Who many eras are there in the fourth eon

The theory of continental drift proposes that the Earth's continents may have once been united as a supercontinent but have drifted apart over time. What was the name of the supercontinent? Americas Laurasia Pangaea Gondwanaland

What are two important industries in Canada Wind and water producing energy Land and water Timber and oil Agricultural products and fishing

Volcanic ash can be used as a time marker to correlate rock layers because the ash. True or False

What kept the Polynesians and Lapita from creating an empire in this region?

What do many of the political conflicts in South Asia have in common?

Which type of sediment is made up mainly of the shells of diatoms and radiolarians?

What is it called when both alleles are expressed in offspring

What is a example of a tourism?

Which of the following is a result of temperature?

What country has one of South America's highest adult literacy rates