Oceans regulate climate, support biodiversity through unique ecosystems, and sustain human life by providing oxygen, food, and trade routes, making them vital to ecological balance and human civilization.
class 6 Social Science Textbook Chapter 2 question answer
class 6 Social Science Chapter 2 Oceans and Continents solutions
Oceans play a vital role in regulating global climate by absorbing solar heat and redistributing it through ocean currents. This heat exchange between the equator and the poles moderates temperatures worldwide, preventing extreme fluctuations. Oceans also absorb significant amounts of carbon dioxide, helping mitigate the effects of global warming and stabilizing atmospheric conditions.
Biodiversity in oceans is unparalleled, supporting numerous ecosystems, from coral reefs to deep-sea hydrothermal vents. These habitats host thousands of marine species, including fish, mammals, invertebrates, and algae. Oceans provide more than half of the world’s oxygen through marine plants like phytoplankton, which are essential for global oxygen levels and the health of the atmosphere. This biodiversity is fundamental for ecological balance, contributing to food chains and ecosystem resilience.
For humans, oceans are indispensable. They provide resources such as fish, which support millions of people’s diets and livelihoods. Oceans also facilitate trade, with maritime routes forming the backbone of global commerce, connecting continents and supporting economies. Beyond economic contributions, oceans inspire cultural and recreational activities, contributing to mental well-being and tourism. In sum, oceans are critical for climate stability, biodiversity, and human life, underpinning the planet’s ecological and economic health.
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