A star with a continuous spectrum shines through a cool interstellar cloud composed primarily of hydrogen. The cloud is falling inward toward the star (and away from Earth). Which best describes the spectrum seen by an Earthbound observer

Which of the following articles was most likely written by a physical geographer, based on the titles? a. "Comparative Urban Environments in the 21st Century: Los Angeles and Beijing" b. "Living Green in New York: Eco-friendly Rooftops " c.

Which word pair is most closely related? A. seismograph and pendulum B. seismograph and fault C. seismograph and seamount D. seismograph and seesaw

Scientific or non-scientific is the sun a pretty start? how big is the sun? how far away is the sun? do you like sunlight?

When the levels of greenhouse gases in Earth's atmosphere increase, which statement is true? Earth's temperature increases because Hin increases. Earth's temperature increases because Hout increases.

Which of the following is not something a geographer can explain to a historian? a. how people change their environment b. how the environment changes people c. why people populated certain areas d. why people like other people

What are two common questions geographers use to study the earth?

How did Hungary's economy change following the breakup of the Soviet Union?

Compare an contrast the people and economies of the south and northeast regions of the United States.

What are some ways that slate is used?

What is deflation in earth science?