Consider the various sources of information related to the Earth’s I

1.	Consider the various sources of information related to the Earth’s Interior. Classify the above as DIRECT & INDIRECT sources of information. Give reasons.
Answer» Seismic activity Earth’s magnetism Volcanoes Mined rocks Gravitational force Meteors Seismic Activity: Frequency and size of earthquake. Earth’s magnetism: Due to the movement of molten material under the earth’s crust. Volcanoes: A rupture in the crust of a planetary mass object such as Earth, that allows hot lava, volcanic ash & gases to escape. Mined Rocks: Excavating hard minerals Gravitational force: A natural phenomenon. Meteors: A bright streak of light.

Consider the various sources of information related to the Earth’s Interior. Classify the above as DIRECT & INDIRECT sources of information. Give reasons.

Answer»

Seismic Activity: Frequency and size of earthquake. Earth’s magnetism: Due to the movement of molten material under the earth’s crust.
Volcanoes: A rupture in the crust of a planetary mass object such as Earth, that allows hot lava, volcanic ash & gases to escape.
Mined Rocks: Excavating hard minerals
Gravitational force: A natural phenomenon.
Meteors: A bright streak of light.