Physical Geography Quiz 2

The Mariana Trench is located in the western Pacific Ocean about 200 kilometres east of the Mariana Islands. It is the deepest oceanic trench on Earth.

The deepest known depression on the earth is the Mariana Trench, which lies east of the Mariana Islands in the western North Pacific Ocean. It reaches 11,034 metres at its deepest point.

The troposphere starts at the Earth's surface and extends 8 to 16 km.

Isobars are lines on a weather map that join places that have the same air pressure at a particular time.

Bauxite ore is the world's primary source of aluminium. The ore must first be chemically processed to produce alumina (aluminium oxide). Alumina is then smelted using an electrolysis process to produce pure aluminium metal.

The Pacific Ring of Fire is a region around much of the rim of the Pacific Ocean where many volcanic eruptions and earthquakes occur.

Duncan Passage is a strait in the Indian Ocean. It is located in between South Andaman and Little Andaman. It is about 48 km wide; it separates Rutland Island to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea.

The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place. It contains 75% of the atmosphere's mass and 99% of the total mass of water vapour and aerosols.

A tsunami can be generated when the earthquake causes a sudden vertical deformation of the seafloor, thus displacing the overlying water from its equilibrium position.

A blizzard is a severe snowstorm characterized by strong sustained winds of at least 56 km/h and lasting for a prolonged period of time.