What Is Tephra?
Fragmental material resulting from a volcanic eruption is called tephra.
May 30, 2018 04:02
Environment
Latest
What Are the Dry Valleys of Antarctica?
The McMurdo Dry Valleys are snow-free valleys located in Victoria Land, Antarctica.
May 29, 2018 20:11
What Is Despeciation?
Also known as speciation reversal, despeciation occurs when two distinct species merge into one single species.
May 29, 2018 15:08
What Is Speciation?
Speciation refers to the process of evolution whereby different species emerge from the existing population.
May 29, 2018 15:01
What Is A Dark Sky Preserve?
An area restricting artificial light pollution is called a dark sky preserve.
May 27, 2018 08:31
What Is An Oxygen Minimum Zone?
The oxygen minimum zone [OMZ] is the lowest zone of oxygen concentration in the ocean's seawater.
May 25, 2018 16:53
What is the Koppen Climate Classification System?
There are five different types of koppen climate classification: A) tropical, B) dry, C) mild mid-latitude, D) cold mid-latitude and E) polar.
May 25, 2018 15:58
What Causes Eastern Europe's Orange Snow?
Similar meteorological events take place roughly every five years.
May 25, 2018 12:01
Do All the Planets Ever Line Up?
The eight planets of the solar system do not ever perfectly align.
May 25, 2018 11:47
The Eight National Parks Of Ivory Coast
The eight national parks of the Ivory Coast, or Côte d'Ivoire, protect the rich biodiversity of the country.
May 25, 2018 11:22
What Kind of Birds Are Found in Canada?
The rusty blackbird, Emperor Goose, and stellar's eider are just some of the birds commonly found in Canada.
May 24, 2018 17:29
What Is A Wet Meadow?
A wet meadow is an area whose soils are inundated with water either permanently or temporarily during the growing season.
May 24, 2018 17:18
The Seven National Parks And Marine Parks Of Seychelles
Seychelles hosts some of the most spectacular national and marine parks in the world.
May 24, 2018 17:04
What Is Planet 9?
Planet Nine is a planet thought to possibly exist in the outer solar system.
May 24, 2018 15:42
What and When is World Soil Day?
World Soil Day is celebrated annually on December 5th.
May 24, 2018 15:10
When and Why is International Day of Forests Celebrated?
International Day of Forests is celebrated on March 21st each year.
May 24, 2018 14:50
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