Four branches of earth science
By: Kimberly Napier
The four basic areas of earth science include topics that study the earth, the seas, the skies and the earth’s environment: geology, astronomy, oceanography and meteorology. Geology According to geology.com., geology includes the study of the Earth, what it is made from, and...
By: Patricia Jankowski
Bioremediation is the use of microorganisms to remove pollutants from contaminated areas of land, water or air. Phytoremediation is a form of bioremediation in which plants are used in addition to, or instead of, microorganisms. Superfund, an environmental program created by the Environmental Protection Agency...
Terrestrial biomes: Tundra
By: J. Lang Wood
The word tundra evokes images of vast expanses of a cold and barren land. In fact, the word tundra comes from the Finnish “tunturia” meaning treeless plain. The tundra is one of the harshest terrestrial biomes, with limited plants and animals. Yet, this environment...
By: Jose Juan Gutierrez
The carbon cycle is a process in which carbon is continually circulating through the biosphere. Carbon is one of the fundamental building blocks of life on Earth. Carbon is contained in the molecules of dead and living organisms. It exists in the atmosphere as a...
By: Julie Thomas-Zucker
The country of China has many different climates because it has a diverse geography. With mountains, valleys, rivers and deserts, climate is hard to predict. Northern China has the coldest weather. Central China has average temperatures with cold winters and hot summers. Eastern China is...
By: Julie Thomas-Zucker
Divers look for different kinds of treasures under the sea. Treasure means many things. For some, it is gems as in buried treasure. For others, it is sunken ships and airplanes. For another group of divers, it is the fish that live in the sea...
By: Hai Shunxi
Coastal processes represent a careful balancing act between erosion and the deposition of sediment. A sandy beach is the often ephemeral record of a period when the process of deposition dominates. Sand, fine-grained sediment usually composed of quartz grains, is washed onto the beach by...
By: Jose Juan Gutierrez
The tundra biome is characterized by extremely low temperatures throughout most of the year, along with a short summer season, during which plants and animals reproduce. The tundra biome cannot support many plants. The majority of flora consists of low growing plants, along with some...
By: Jose Juan Gutierrez
Climate sensitivity is a measurement within a climate system that indicates the change in the amount of energy reaching the surface of the Earth. Climate sensitivity is used to indicate global average surface warming due to radiative forcing. A positive forcing tends to warm a...
Terrestrial biomes: Tundra
By: Colette Georgii
The terrestrial biomes consist of biomes of vegetation. Biomes are a way to categorize the different types of ecological habitats around the world. These habitats are categorized by temperature, precipitation, and types of flora and fauna that grow in these areas. The tundra biome is...

 

1 467 468 469 470 471 533