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Oceans and seas play a vital role in the environment from "summary" of Geography Optional For UPSC Mains: Previous Years Solved and Practice Model Questions by R P Meena

The oceans and seas are not just vast bodies of water covering the Earth's surface; they are crucial components of the environment. These water bodies have a significant impact on climate, weather patterns, and nutrient cycles. The oceans play a vital role in regulating the Earth's climate by absorbing and releasing heat. They act as a massive heat sink, absorbing heat during the day and releasing it at night, which helps to moderate temperatures on land. Additionally, the oceans influence weather patterns by transporting heat from the equator to the poles through ocean currents. Moreover, the oceans are essential for nutrient cycling in the environment. They are home to a wide variety of marine life, from microscopic phytoplankton to massive whales. These organisms play a vital role in the global carbon cycle by absorbing carbon dioxide from the atmosphere through photosynthesis. When these organisms die, their bodies sink to the ocean floor, sequestering carbon in the deep ocean for thousands of years. This process helps to regulate the amount of carbon dioxide in the atmosphere, which is crucial for maintaining a stable climate. Furthermore, the oceans are a crucial source of food, energy, and resources for human societies. They provide a significant portion of the world's food supply, with fish being a vital source of protein for billions of people. The oceans also contain vast reserves of oil, gas, and minerals, which are essential for modern society. Additionally, the oceans support industries such as shipping, tourism, and recreation, which contribute significantly to the global economy.
  1. The oceans and seas are not just bodies of water; they are essential components of the environment that play a crucial role in regulating the Earth's climate, nutrient cycles, and weather patterns. They are also vital sources of food, energy, and resources for human societies. Therefore, it is essential to protect and conserve these valuable ecosystems for the well-being of both the planet and its inhabitants.
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Geography Optional For UPSC Mains: Previous Years Solved and Practice Model Questions

R P Meena

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