عنوان مقاله [English]
نویسنده [English]چکیده [English]
Earth: The Planet of Water. More than three quarters of the earth's surface is covered by water. Here is a view of the Indian Ocean. The white frozen surface strikes the eyes in the lower part of the globe.
The earth, the planet of water, is covered with a thin shell of air that we breathe and protects us.
Chemical factors are responsible for destruction of the thin layer of ozone, which is responsible for protecting humans from ultraviolet rays emitted from the sun.
The energy from fossil fuels and destruction of tropical rainforest has caused changes in greenhouse effect of atmosphere, and it can be thought of as the reason the earth is moving toward becoming warmer.
All planets are regularly bombed by deadly winds caused by solar energy particles.
The dawn is the result of a spectacular light that is created by the sun and a radiance like a cosmic light.
Old magnetic rocks indicate that magnetic poles of the earth have the task of protecting the parts containing electric current, and it is likely that the magnetic field of the earth is already at the peak of a sudden blow.
Boston and Italy have been part of the continent of Africa, and a natural glacier covered the Desert. The Pacific eroded the Colorado coastline.
These continents were welded together and brought about a row of mountains, thus forming part of the existing oceans.