Two tectonic plates of different densities collide. which of the following could form at the plate boundary?
island
mid-ocean ridge
rift valley
trench
volcano
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What do the capital cities of lebanon, kuwait, qatar, united arab emirates, and oman have in common? they are all inland cities. they are all coastal cities. they are all have “stan” in their names.

What is the approximate chemical composition of the solar nebula?

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.