Human activities like plastic waste disposal, oil spills, and industrial runoff pollute oceans, damaging marine ecosystems, killing wildlife, and disrupting food chains, ultimately harming both nature and humans. Class 6 Social Science Chapter 2 Oceans and Continents question answer Class 6 NCERT ...
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Rising sea levels, caused by climate change, threaten island nations by increasing the risk of coastal flooding, erosion, and loss of land, endangering their populations and economies. Class 6 Social Science Chapter 2 Oceans and Continents question answer Class 6 NCERT Social ...
Marine biodiversity supports ecosystem stability and human livelihoods. However, overfishing, pollution, and climate change threaten marine species, disrupting ecosystems and endangering oceanic health. Class 6 Social Science Chapter 2 Oceans and Continents question answer Class 6 NCERT Social Science India and the ...
Oceans serve as major routes for global trade, with ships transporting goods across continents. Maritime transportation is vital for the global economy and intercontinental trade networks. Class 6 Social Science Chapter 2 Oceans and Continents question answer Class 6 NCERT Social Science ...
Oceans absorb and store solar energy, regulating global temperatures. Ocean currents distribute heat across the planet, and evaporation from oceans contributes to rainfall, helping maintain Earth’s climate balance. Class 6 Social Science Exploring Society: India and Beyond Class 6 Social Science Chapter ...
Climate change leads to rising sea levels, ocean acidification, warmer waters, and disrupted marine ecosystems, causing coral bleaching, species loss, and altered ocean currents, all of which threaten biodiversity. Class 6 Social Science Exploring Society: India and Beyond Class 6 Social Science ...
The Pacific Ocean is the largest, covering one-third of Earth’s surface. It plays a crucial role in global trade, marine biodiversity, climate regulation, and natural phenomena like tsunamis and El Niño. Class 6 Social Science Exploring Society: India and Beyond Class 6 ...
The Northern Hemisphere has around 60% land and 40% water, while the Southern Hemisphere consists of about 20% land and 80% water, making it more ocean-dominated than the north. Class 6 Social Science Chapter 2 Oceans and Continents question answer Class 6 ...
The Southern Hemisphere holds more water than the Northern Hemisphere. This difference is due to the larger expanses of oceans in the Southern Hemisphere compared to land masses in the north. Class 6 Social Science Chapter 2 Oceans and Continents question ...
The circular lines on the map are called latitudes, while the lines radiating from the poles are called longitudes. Both these lines help us understand geographical positioning on Earth. Class 6 Social Science Exploring Society: India and Beyond Class 6 Social Science ...