What is and ecosystem?

What are traits of a physical region

What would keep people from evenly distributed across the country?

what is the opposing plate involved in the formation of the volcanoes of the islands sumatra and java?

Central america is a long, narrow isthmus located in the southern region of north america. which of these nations are located in central america?

What would the climate be like without the greenhouse effect?

What are the stages of the life cycle of the Sun? A. Red giant → main sequence star → white dwarf B. Main sequence star → red giant → white dwarf C. Main sequence star → white dwarf → red giant D. White dwarf → main sequence star → red giant

Which of the following terms best characterizes the government of Somalia? A. a parliamentary democracy B. a presidential democracy C. an anarchy D. a monarchy

Fault-block mountains are formed when a shift takes place along a fault line and a. one side drops into the ocean b. one side is elevated c. one side drops into a fault d. both sides are elevated

Describe how the idea of archaeological context affects how an archaeological site is excavated. What must archaeologists do in order to preserve context?

If sea level rises above a coral reef, what may happen to the reef? << read less