
Concept explainers
Briefly describe three aspects of geology that are especially important to our existence.

Three aspects of geology which are especially important to our existence
Answer to Problem 1RQ
Three important aspects of Earth’s geology are Volcanism, Plate tectonics, Earth’s magnetic Field.
Explanation of Solution
The three important aspects of Earth’s geology are as follows:
- Volcanism: - Volcanoes are very importance for the existence of earth. The gases released during volcanic activity get trapped in the earth’s interior during the formation of planet and these gases were the original source of Earth’s atmosphere and oceans. Volcanoes also released lot of heat which has created chemical environment of earth and it may have helped in the origin of life in our planet.
- Plate tectonics: - The shape of the Earth surface is mainly due to the movement and recycling of the rock between surface and interior and this process is termed as plate tectonics. This process is responsible for gradually rearranging the continents. It is also responsible for the long term climate stability due to which life evolved and flourish for some 4 billion years
- Earth’s magnetic Field: -Interior of Earth has a magnetic field directed towards north which is generated deep inside the surface. Magnetic field also have some biological effects for example, some birds use it for migration purpose. The magnetic field acts as a shield which is holding up the earth’s atmosphere from energetic particles otherwise portion of the planet’s atmosphere must have gone into space.
Conclusion:
Thus, three important aspects of Earth’s geology are Volcanism, Plate tectonics, Earth’s magnetic Field.
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