Question

Mention any two sources of information about the interior of the earth

Answer 1

Answer:

crust and the mantle

crust: it is divided in 2 parts

the continental crust and the Oceanic crust

we live on continental crust

the Oceanic crust is full of water its depth is average 30-40 km

mantle: below the crust lies the mantle the mantle is also in 2 parts

upper and lower mantle

both are in solid state it begins from the depth of 45-2870 km

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Answer 2

Two sources of information about the interior of the earth

1. Gravitation
2. Magnetic field.

1. Gravitation

The mass of the material affects how much gravitational force there is. This value is influenced by the earth's unequal internal mass distribution. Gravity anomaly is the name given to such a disparity. We can learn about the distribution of mass in the earth's crust from gravity anomalies.

The acceleration that gravity gives to objects falling freely serves as a gauge of its strength. The acceleration of gravity at Earth's surface is approximately 9.8 metres (32 feet) per second every second. As a result, during free fall, an object's speed rises by around 9.8 metres per second.

2.Magnetic field.

Scientists can better comprehend what's going on inside the Earth's core thanks to the geodynamo effect. Additionally, changes in the magnetic field reveal information about the inaccessible iron core.

The entire human race—indeed, all life—would be in grave risk if the Earth's magnetic field vanished. The risk of cancer and other diseases will rise globally as cosmic rays would bombard our bodies and might even harm our DNA.

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