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Earths History Essay Examples

8,383 total results
How Earth's Climate and Seasons Relate
Earth's Climate and Seasons: How Do They Relate?
The tilt, shape, rotation, revolution, and the energy received from the sun all share one relationship. They play major rolls in determining what the earths climate and seasons are.
First of all, the earths tilt effects these things, because as the earth revolves around the...
386 words
1 page
A Study on the Process of Ozone Depletion
I. The Ozone Layer The Earth's atmosphere is divided into several layers. The lowest region, the troposphere, extends from the Earth's surface up to about 10 kilometers (km) in altitude. The next layer, the stratosphere, continues from 10 km to about 50 km. Most atmospheric ozone is concentrated in a layer in the stratosph...
1,118 words
2 pages
The Search for Other Earths Beyond Earth
Earths Beyond Earth: The Search for Other Worlds In early 1990, the first extrasolar planet was detected, surprising everyone by its strangeness. More planets have now been discovered outside our solar system than in it. These planets present many great mysteries to the astronomical world. Extrasolar planets are planets...
1,256 words
3 pages
Closing of the Cretaceous Period Marked a Major Transition in Earth's History
The tertiary consisted of two main epochs. The Paleocene, the Eocene and the Oligocene, which make up the Paleogene; and the Miocene and Pliocene, which make up the Neogene. The close of the Cretaceous Period marked a major transition in Earths history. Ammonoids and marine reptiles disappeared from the sea. Marine taxa th...
1,373 words
3 pages
The Several Different Types of Observations That Support the Theory of Organic Evolution
The origins of mankind is an extremely controversial issue within todays society. Scientists have a host of different theories pertaining to mans inhabitance of earth. Many disagreements arise between scientists who have different beliefs pertaining to where and how mankind arose. One such argument is the conflict involving...
2,457 words
5 pages
A History of the Nation of Gods and Earths
Gray 1 As a teenager, I was very easily influenced. My eclectic mind made it easier for me to open up and a lot of different kinds of people. This was very important to me because I learned from experience to respect other people and their beliefs. The first time it was put to test is when I met my long time friend Coran....
1,132 words
3 pages
An Essay on Unsolved Mysteries about Our Solar System
Ancient times have it that a group of people of heritage called the Sumerians has documented information about a planet thats beyond Pluto in our solar system in a different orbit. They have it documented as the 12th planet because they counted Earths moon as a planet and also counts the sun. They counted every object in th...
1,141 words
3 pages
A Generalized Report on Geological Oceanography
The Ocean When we think of Earth we think of the land, the mountains, the trees and many other things that exist on land. In reality, when we think of Earth, we should think of the world ocean. The world ocean covers three-fourths of the Earths surface. The major goals of studying the ocean, known as oceanography, are to...
1,026 words
2 pages
The Greenhouse Effect
In the last 80 years the earths temperature has risen over half a degree. That may not sound much by if you consider that if the temperature rises 4 degrees, the global sea level will rise to 5m higher than it is today causing hundreds of coastal cities to be completely under water. This is caused partly by the amount of ca...
981 words
2 pages
An Analysis of the Contribution of Increased Carbon Dioxide in the Atmosphere to the Global Warming Problem
The problem is global warming caused by a build up of CO2 in the earths atmosphere. I read this article on the envirolink website at The author got their information from funding by NASA and the National Science Foundation, NCAR's primary sponsor. Also from an article in the magazine...
430 words
1 page