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

What river in Africa was essentially used as a highway to transport gold and salt? A. The Nile River B. The Niger River C. The Kengali River D. The Senegal River

What is the tallest building in south america?

Within the troposphere, heat is transferred mostly by. a. conduction b. convection c. radiation d. greenhouse effects

click to review the online content. Then answer the question (s) below, using complete sentences. Scroll down to view additional questions. Online content site 1 what is the brain drain phenomenon and how does it impact developed developing nations

Whose is the longest river Mississippi or Nile?

What does the number 15 on a geologic map mean?

Major cash crop in the Caribbean by colonial powers

In the Russian Federation, which official holds the most power? A. the Duma B. the president C. the prime minister D. the monarch

What caused south a erica and africa to change positions? What is a piece of evidence thats supports the theory that south america n africa were once connected Up.?

How did the Mediterranean climate influence culture in the region? A. It reduced the dependence on agriculture. B. It prevented sea travel. C. It forced people to work harder. D. It created a common cuisine throughout the region.