<span>Extrusive Igneous Rocks. Extrusive igneous rocks form when magma reaches the Earth's surface a volcano and cools quickly. Most extrusive (volcanic) rocks have small crystals. Examples include basalt,rhyolite, andesite, and obsidian.</span>
Remember those who fought for our country
Obama was the fifth(5) youngest
Answer:
Segregation is the practice of requiring separate housing, education and other services for people of color. Segregation was made law several times in 18th and 19th-century America as some believed that black and white people were incapable of coexisting.
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