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Scientists believe that Earth has four layers (crust, mantle, outer core, inner core) based on seismic waves produced by earthquakes and volcanic activity. These waves travel through the Earth at different speeds and behave differently depending on the properties of the material they travel through, allowing scientists to infer the presence of distinct layers with varying densities and compositions. This model helps explain Earth's structure and how it influences geological processes.

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Scientists divide earths atmosphere into four main layers classified according to changes in?

temperature and other properties. These layers are the troposphere, stratosphere, mesosphere, and thermosphere. Each layer has distinct characteristics and plays a unique role in Earth's atmospheric processes.


What are the four colors of the earths layers?

brown everything is a mess of brown and purple


The atmosphere is a relatively thin layer of gas that scientists divide into four sections based only on chemical composition. true or false.?

False. I believe the layers are assigned by temperature gradients.


What are four main layers of earths atmosphere?

The four main layers of Earth's atmosphere are Toposphere, Stratosphere, Mesosphere, and Thermosphere. (The Thermosphere ends at 62 miles from earth's surface. or, where space starts.TroposphereExosphereIonosphereOzonosphere


What are four layers that make up Earths atmosphere?

lower core, upper core, mantle, and crust


What is the thickness of the earths mantle?

The earths mantle is one of the four major layers, laying between the crust and the outer core. At 2885 kilometers, it is the thickest layer.


How many layers of muscle are there in the foot?

there are 44444444444444444444444445555555555555555555555555555555555577777777777777777 layers of skin on your feet


What are the earths four atmosphere layers called?

Troposphere, stratosphere, mesosphere, thermosphere (containing ionosphere), exosphere.


Give at least one characteristic of each if the four main layers of earths atmosphere?

In the four main layers of the earth\'s atmosphere weather occurs in the troposphere, airplanes fly in the stratosphere, meteors are burned in the mesosphere, and satellites are placed in the thermosphere.


How are Earth's layers classified?

Based on temperature differences.


How do you think scientists found out that there are four layers in the atmosphere?

Scientists discovered the four layers of the atmosphere through a combination of direct measurements and observations. Early balloon flights and later satellite data provided insights into temperature changes and density at different altitudes. These observations, coupled with the analysis of how atmospheric pressure and composition varied with height, helped define the distinct layers: the troposphere, stratosphere, mesosphere, and thermosphere. Ongoing research and advancements in technology continue to refine our understanding of these atmospheric layers.


How scientists believe the earths four layers were formed?

when this earth cooled from being hot, all the Iron and Nickle get concentrated inside earth forming inner two layers Inner solid core and outer liquid core. Then with the passage of time earth solidifies gradually and mantle solidifies and now at this stage our crust the outer most part of earth look like its final product.