Which theory suggested that the earth was once a single "supercontinent" that gradually broke up into the continents that we know today?

continental drift theory

subduction

plate tectonics

seafloor spreading

Dream which dynasty was China first United

True or false, permafrost grows in D climate regions prove your answer

at the east african rift, the african plate is separating into two smaller plates that are moving in opposite directions. based on this, which type of boundary exists at the east african rift?

Largest delta in the world. kidhar hai market mein India

What is the difference between a Tundra and a Taiga?

Scroll over to Iceland and find the Reykjanes Ridge. Do you see how close these volcanoes along this ridge are to Europe? Could they have caused enough smoke and ash to shut down air travel there because of visibility?

1 The human genome project identified the sequence of base pairs in human DNA and identified several g would least likely lead to a scientific investigation based on these findings? Are certain humans more likely to develop genetic diseases?

Mars has no weather. True False

Which of the following bodies of water is not located along Canada's coasts? a. Beaufort Sea b. the Gulf of Mexico c. the Arctic Ocean d. Hudson Bay

What causes the wind? A) The earth's orbit around the sun B) The earth's rotation on its axis. C) The layers of the earth's atmosphere. D) Uneven heating of the earth's surface by the sun.