Erosion and Weathering, what is an example of chemical weathering? A.oxidation of rock B.acid secreted from lichen breaks rock down C.carbonic acid breaks rock down such as with caves D.all of the above Which of the following is an example of soil depletion? A.Planting and harvesting corn year after year removes nutrients from the soil in a field. B.Winds carry topsoil away from a field. C.Fertilizers wash into lakes and streams, stimulating aquatic plant growth. D.Water used to irrigate a field deposits minerals in the soil as it evaporates. Which of the following is a problem associated with using artificial fertilizers? A.The soil becomes depleted of nutrients. B.The fertilizers enter lakes and streams, upsetting the ecological balance in these environments. C.The fertilizers cause minerals salts to build up in the soil. D.The soil erodes more quickly because of the fertilizers Erosion and weathering changes the Earth's surface quickly. A.True B.False
Rocks and Minerals science video: Thanks for the memories
this video is made myself from my science class. is about rocks and minerals.
Author: runez7
Keywords: thanks for the memories
Added: April 10, 2008
Voting Question: early sailors dicoverd a gradual change in position of the north star. This discovery helped to prove that?
matter,minerals and rocks
Resolved Question: Are there any rock stores in the Dallas area?
I'm in Dallas(Texas) and I was wondering if anyone knew of any stores that sell rocks and minerals? Thanks!
Vista Point ICELAND
VPG-DVD-213 - ICELAND Iceland is an island born of fire and ice with white glaciers, black beaches and green meadows: a land of geysers, waterfalls and volcanoes. Reykjavik is set amid a fascinating landscape, a metropolis on the outermost edge of civilisation and the world's northernmost capital city. A little outside the city is an attraction that is a meeting place for one and all, The Blue Lagoon, the largest bath tub in the world! The mineral water it contains has a temperature of forty degrees centigrade and the milky-blue pool has been proven to possess beneficial healing qualities. Southeast of The Blue Lagoon is Hveragerdi that is set within an idyllic valley. Due to its protected location and numerous thermal springs, in 1929 a garden city originated there and within its many greenhouses grow vegetables, fruit and exotic flowers. The small coastal picturesque village of Vik with its few houses and around three hundred inhabitants is located in a valley close to a bay. The mystical looking rocks seem to protect this place that has the most rainfall in what is an already rainy region and above which the rain clouds are often alive with both thunder and lightning. Iceland is a fascinating world of water, fire and ice and full of breathtaking beauty and overwhelming contrast. It is one of the last natural paradises on Earth.
Author: TravelVideoStore
Keywords: ICELAND Reykjavik Hveragerdi Vik
Added: April 7, 2008
