The interior of the Earth is separated into a crust, mantle, and core because: while the Earth was hot early in its history, the dense material sank to the core and the less dense material floated to the outer part of the Earth during formation of the planets in the accretion disk, the dense metals were accreted first, followed by progressively less dense rocks and minerals plate tectonics causes the dense metal-rich slabs to sink and the outer parts of the Earth are replaced by less dense material

Which location has the trail Owl Canyon? Lake Mead Red Rock Mount Charleston

Which of these can determine the size of grains in igneous rocks? Amount of rare minerals Distance from a plate boundary Size of the volcano Cooling rate of molten rock

Which two of the following best describe what events led to ore deposits in the Earth. A Hydrothermal activities B Rain shadow effects Solar eruptions D Tidal waves E Volcanoes

Largest East Asian country by land area? A) Mongolia B) Japan C) China D) South Korea

The majority of Egypt's population is clustered around what geographical feature? The Gulf of Suez The Suez Canal The Western Desert The Nile River

Climatic regions are classified according to temperature and __ Which phrase best completes the sentence? altitude ocean currents distance from bodies of water precipitation

Which best describes El Salvador? (1 point) small mountainous small, Caribbean coastline large European population largest of the Central American countries

Where does the Mid -Atlantic Ridge rise above sea level? a. The Hawaiian Islands b. Iceland c. South Africa d. Coastal Brazil

Which of the following types of volcanoes is MOST likely to form within another, larger volcano? a. Shield volcanoes b. Cinder cones c. Stratovolcanoes d. Lava domes

Which location has the trail Mary Jane Falls? Red Rock Lake Mead Mount Charleston