The FASTER you run, the more energy dissipated through compensating motions of the body. This is why elite sprinters have powerful upper body physiques.
Running can assist people in losing weight and staying in shape.
Tuesday, 24 February 2009
Sunday, 22 February 2009
Saturday, 7 February 2009
Deccan Volcanism
Western India shows the fingerprints of huge volcanic activity, with enough lava to submerse the United States to a depth of 1km. Similar formations can be seen in Iceland.
Greece is one of the most geologically active areas on earth.
Theory of plate tectonics
Theory of evolution
The Indian monsoon climatologists believe is a direct result of the height of Tibet.
mountains are like icebergs.
Greece is one of the most geologically active areas on earth.
Theory of plate tectonics
Theory of evolution
The Indian monsoon climatologists believe is a direct result of the height of Tibet.
mountains are like icebergs.
How many Species of Ammonite are there?
There's over a thousand species of ammonite. You can see them on limestone pavements. In the 19th century the terms Permian, Jurassic, Cretaceous came into being.
Scientists could say Jurassic rocks in Dorset are older than Cretaceous rocks in Kent, but they could not say how old they were.
It was Lord Kelvin who came up with the idea of how to work out the age of the earth. As 19th century miners discovered, the interior of the earth is hot: increasing about 11 degrees per kilometer. Kelvin believed this heat was a relic from the formation of the earth. His idea was based on a hot object cooling over time. He collected info on temperature increase in mineshafts and came up with an estimate that the earth couldn't be more than 20 million years old. Field geologists felt this figure was far too small.
Ernest Rutherford realised elements within the earth were radioactive. So instead of the earth cooling all the time it actually had heat sources. Heat was being generated from inside the planet by radioactive decay. This laid the foundations of geochronology, the direct measurement of the age of rocks.
A theory suggests the earth started as an ocean with volcanic islands. The land is basically hardened lava. However without plants, there was no oxygen in the atmosphere. Around bubbling volcanic pools, bacteria thrived. The volcanoes also produced vast quantities of water vapour. The shallow ocean that covered earth grew deeper.
The oldest rocks in the British Isle are on the West coast of Scotland.
Oceanographers have known for a long time of a deep fault beneath the ocean off the coast of Alaska. Hot springs resorts in Alaska include the Chena resort.
Scientists could say Jurassic rocks in Dorset are older than Cretaceous rocks in Kent, but they could not say how old they were.
It was Lord Kelvin who came up with the idea of how to work out the age of the earth. As 19th century miners discovered, the interior of the earth is hot: increasing about 11 degrees per kilometer. Kelvin believed this heat was a relic from the formation of the earth. His idea was based on a hot object cooling over time. He collected info on temperature increase in mineshafts and came up with an estimate that the earth couldn't be more than 20 million years old. Field geologists felt this figure was far too small.
Ernest Rutherford realised elements within the earth were radioactive. So instead of the earth cooling all the time it actually had heat sources. Heat was being generated from inside the planet by radioactive decay. This laid the foundations of geochronology, the direct measurement of the age of rocks.
A theory suggests the earth started as an ocean with volcanic islands. The land is basically hardened lava. However without plants, there was no oxygen in the atmosphere. Around bubbling volcanic pools, bacteria thrived. The volcanoes also produced vast quantities of water vapour. The shallow ocean that covered earth grew deeper.
The oldest rocks in the British Isle are on the West coast of Scotland.
Oceanographers have known for a long time of a deep fault beneath the ocean off the coast of Alaska. Hot springs resorts in Alaska include the Chena resort.
Subscribe to:
Posts (Atom)