THE DYNAMIC EARTH AND CONSEQUENCE

Advantages and disadvantages of volcanic activities on human activities and environment

Positive and negative effects of volcanic activites on human and environment

The volcano is ruptured on the crust of planetary mass such as earth, which allows hot lava, volcanic ash, and gases to escape from the magma chamber. Volcanic activities have spread all over the world and can happen both on land and beneath the ocean. Volcanic activities are especially active in convergent and divergent zones …

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The internal structure of the earth

The internal structure of the earth

The earth is composed of three internal, concentric layers of increasing densities. These layers are the crust, mantle, and core. They are made up of different layers of rocks, with their densities increasing towards the center of the Earth. That is densities of rocks that make up the earth increase as you move from the …

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3 types of plate tectonics boundaries

3 types of plate tectonics boundaries

There are three types of plate boundary (or margin): constructive, destructive and passive. Constructive margins These arise where two plates move away from each other, and new crust is created at the boundary. They are mainly found between oceanic plates, and are consequently underwater features. Rift valleys may initially develop, but molten rock from the …

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