The study of the world
, scientists have tried to find different ways. To study the world, both directly and indirectly. The attempt to use evidence The units can be found at The theory Science branches And modern technology In order to answer questions such
as 300 years ago, Sir Isaac Newton discovered how to calculate the average density of the Earth. There are approximately two times the density of the rock surface. Show the world that consists of a substance that has a density greater than on the surface next to another 100 years, scientists multidisciplinary research effort to explore and learn about the world of things that erupted from the volcano. The evidence indicates that the area within the world of heat and pressure to the molten rock. From then until the present time. The thermometer deep mines and boreholes within Figure 1.1, which found that global temperature rise within the depth range from the surface because there is no technology today that will go down sampling. And measure the environment in the world has more depth. However, humans have tried to find information about the world from many different ways, such as studies of exploration. Study stone sets Fiona O-Lite (a rock group in the past. Earth's crust under the ocean It was found on land) of volcanic rock. The study of the chemical composition of Uttar check Baton falling on Earth. And rock samples from the moon Etc. It is also used to study the Earth indirectly involved. Which studied the world using scientific principles, such as studies of seismic earthquake. A man-made (nuclear) and measuring gravity around the Earth, so they think that geologists use seismic properties to study the internal structure of the Earth, however.
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