Classify Earth's layers based on their physical properties

How many light years across is the milky way?

Which kind of material would be prone to liquefaction during an earthquake? a. water-saturated sand b. dry compacted clay c. sedimentary rock with horizontal layering d. volcanic rock that is very porous?

Think of at least 7 different organisms that live in a desert ecosystem.

Which of the following statements is false? In general, the southern portion of South America is the most developed and the northeastern portion is least developed. Strong cultural pluralism exists in a majority of the countries in South America.

Vancouver, British Columbia, enjoys a moderate year-round climate, which is due to a. the many mountain ranges surrounding the city. b. its latitude. c. its relatively high elevation. d. its close proximity to the Pacific Ocean.

Which tectonic plate pushes against the Eurasian plate to form the alps and other geographical features

Which of the following areas would most likely have the greatest amount of surface runoff? low, flat plain sandy beach steep mountainside V-shaped valley

Which of the following is a reason why Hartsfield-Jackson International Airport provides so many jobs to Georgians? A) It is required to hire many people because it receives tax money for its operations.

Read the article titled "Giant Jellyfish Invasion." Why are these jellyfish invading oceans near China, and how might humans have caused this problem? (Site 1)

Originally the earth probably had this type of environment a) artic b) temperate c) greenhouse