Physical Geography Quiz 2

Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean.

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.

Tropical land has maximum biodiversity because rainforests located in tropical regions receive a lot of sunlight. Since there is a lot of sunlight, there is a lot of energy in the rainforest. This energy is stored in plant vegetation, which is eaten by animals. The abundance of energy supports an abundance of plant and animal species.

The ionosphere is said to be responsible for lightning and propagation of radio waves. It is also responsible for ionizing the atmosphere by solar radiation. It is a 48 km to 965 km vertical stretch, which roughly overlaps the thermosphere and the exosphere.

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

An estuary is an area where a freshwater river or stream meets the ocean. In estuaries, the salty ocean mixes with a freshwater river.

A geosynchronous orbit is located at 35,786 km above Earth's equator. This position is a valuable spot for monitoring weather, communications and surveillance. Geosynchronous orbit is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds.

A tsunami is a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor.

A seismometer is an instrument that responds to ground noises and shaking such as caused by earthquakes, volcanic eruptions, and explosions.

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.