Ocean acidification is caused by the increased absorption of carbon dioxide (CO2) from the atmosphere, which lowers the pH of seawater and negatively impacts marine life, especially coral reefs. Class 6 NCERT Social Science India and the World: Land and the ...
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Oceans enabled early human migration, fostering trade and cultural exchange by connecting civilizations across continents. These maritime routes shaped societies, economies, and cultures, supporting the development of diverse civilizations. class 6 Social Science Textbook Chapter 2 question answer class 6 Social Science ...
A tsunami is a powerful wave generated by underwater earthquakes or volcanic eruptions. Tsunamis can cause significant destruction when they reach coastal areas, impacting life and property. Class 6 NCERT Social Science India and the World: Land and the People Chapter ...
Oceans are often termed the “planet’s lungs” as they produce over half of the world’s oxygen. Marine plants, like algae, play a critical role in this oxygen production. Class 6 NCERT Social Science India and the World: Land and the People ...
Australia is the only continent that is also a country. It is both a sovereign nation and a geographic landmass with diverse ecosystems and unique wildlife. Class 6 NCERT Social Science India and the World: Land and the People Chapter 2 ...
A massive earthquake near Indonesia caused the powerful 2004 tsunami, which affected 14 countries and caused widespread destruction, particularly in India’s Andaman and Nicobar Islands and the coasts of Tamil Nadu. Class 6 NCERT Social Science India and the World: Land ...
The five Olympic rings represent the inhabited continents: Africa, America, Asia, Australia, and Europe. Chosen as a symbol, they embody the unity of athletes from across the world. Class 6 NCERT Social Science India and the World: Land and the People ...
The Northern Hemisphere has more land than water, while the Southern Hemisphere has more water than land. This difference influences regional climates, with the Southern Hemisphere having more stable temperatures. Class 6 Social Science Exploring Society: India and Beyond Class 6 Social ...
Tsunamis are triggered by underwater earthquakes or volcanic eruptions, displacing water and creating massive waves. Coastal areas can be protected using early warning systems to enable timely evacuations. Class 6 Social Science Exploring Society: India and Beyond Class 6 Social Science Chapter ...
Continents influence human civilizations by providing diverse resources, climates, and geography. They shape the development of agriculture, trade, culture, and migrations throughout history. Class 6 NCERT Social Science India and the World: Land and the People Chapter 2 Oceans and Continents class ...