Environment

Anoxic events are periods in the Earth's past when vast expanses of the oceans were depleted of oxygen.

January 26, 2018 14:41

Euxinia refers to the state of water when the water is depleted of oxygen and has a raised level of free hydrogen sulfide.

January 26, 2018 14:11

A constellation is a group of stars which form a pattern. There are 88 constellations that are recognized by astronomers.

January 26, 2018 11:53

The Bonneville Salt Flats are located in Utah, US.

January 24, 2018 16:28

An underground layer of permeable rock from where water can be extracted by boring a water-well, is called an aquifer.

January 24, 2018 15:41

Large lakes are known for generating large amounts of snow.

January 23, 2018 14:20

The Steller’s sea cow was found in 1741.

January 22, 2018 18:03

A stream running parallel to a large river within the floodplain of the latter for a considerable distance before joining the large river is called a yazoo stream.

January 22, 2018 17:54

Three big wild cat and four small wild cat species are found in Africa.

January 22, 2018 17:32

The tropical savanna type of climate has a pronounced dry season.

January 22, 2018 17:13

Kettles are shallow sediment loaded water bodies formed as a result of glacier retreat or draining floodwaters.

January 19, 2018 15:51

San Francisco, California is a city with varied weather conditions.

January 19, 2018 14:39

Indiscriminate hunting is believed to be the biggest factor that led to the extinction of the Tasmanian tiger or the thylacine.

January 19, 2018 12:55

World Oceans Day is celebrated on June 8 every year for the conservation and protection of the oceans of the world.

January 18, 2018 12:01

The Canadian province of Nova Scotia has two national parks and one national park reserve.

January 16, 2018 22:03

The insular islands are believed to have existed in Cretaceous period in the Pacific Ocean.

January 15, 2018 13:07

Located between Estonia and Latvia, the Gulf of Riga is a bay in the Baltic Sea.

January 13, 2018 13:20

The Volcanic Seven Second Summits are the second tallest volcanic summits on each continent.

January 12, 2018 14:48

The Alboran Sea is part of the Mediterranean Sea.

January 12, 2018 13:34

An archipelago usually refers to a chain, cluster, or collection of islands.

January 12, 2018 11:46