Marine biodiversity refers to the variety of life forms in the oceans, including fish, plants, and microorganisms. It is essential for maintaining healthy ecosystems, providing food, oxygen, and livelihoods for millions of people. However, marine biodiversity is under threat from overfishing, pollutRead more
Marine biodiversity refers to the variety of life forms in the oceans, including fish, plants, and microorganisms. It is essential for maintaining healthy ecosystems, providing food, oxygen, and livelihoods for millions of people. However, marine biodiversity is under threat from overfishing, pollution (such as plastic waste), habitat destruction, and climate change. These threats reduce the number of species, harm marine ecosystems, and destabilize the ocean’s ecological balance, leading to potential crises for both nature and humanity.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
Island nations face significant challenges from rising sea levels due to global warming and melting polar ice caps. Coastal flooding and erosion threaten to submerge low-lying areas, displacing populations and disrupting economies that depend on tourism, fishing, and agriculture. Islands like the MaRead more
Island nations face significant challenges from rising sea levels due to global warming and melting polar ice caps. Coastal flooding and erosion threaten to submerge low-lying areas, displacing populations and disrupting economies that depend on tourism, fishing, and agriculture. Islands like the Maldives and Pacific archipelagos are particularly vulnerable, with some areas already experiencing land loss. Governments and international organizations are working to implement adaptation measures, but the future remains uncertain for many island nations.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
Ocean pollution, primarily caused by human activities, poses a severe threat to marine ecosystems. Plastic waste, oil spills, chemical runoff, and untreated sewage contaminate the water, killing marine animals, destroying coral reefs, and polluting the food chain. Microplastics ingested by fish canRead more
Ocean pollution, primarily caused by human activities, poses a severe threat to marine ecosystems. Plastic waste, oil spills, chemical runoff, and untreated sewage contaminate the water, killing marine animals, destroying coral reefs, and polluting the food chain. Microplastics ingested by fish can enter human diets, posing health risks. Additionally, pollution disrupts fishing industries, tourism, and local economies. Addressing ocean pollution requires global cooperation to reduce waste, enforce regulations, and promote sustainability.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
Continents have played a central role in shaping the development of human civilizations. Each continent’s unique geography, climate, and natural resources have influenced agriculture, settlement patterns, and trade routes. For example, fertile plains in Asia and Europe supported large populations, wRead more
Continents have played a central role in shaping the development of human civilizations. Each continent’s unique geography, climate, and natural resources have influenced agriculture, settlement patterns, and trade routes. For example, fertile plains in Asia and Europe supported large populations, while the discovery of the Americas reshaped global trade and migration. Geography also determined the rise of empires, the spread of cultures, and the development of industries that have shaped history.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
The Southern Ocean, surrounding Antarctica, plays a critical role in regulating global ocean currents and climate. Its cold, nutrient-rich waters drive the circulation of water around the planet, influencing temperature and weather patterns. The Southern Ocean supports a unique ecosystem, includingRead more
The Southern Ocean, surrounding Antarctica, plays a critical role in regulating global ocean currents and climate. Its cold, nutrient-rich waters drive the circulation of water around the planet, influencing temperature and weather patterns. The Southern Ocean supports a unique ecosystem, including species like krill, penguins, and whales, which thrive in its cold environment. Unlike other oceans, it is largely uninhabited by humans, though it faces growing challenges from climate change and human activities.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
What is the significance of marine biodiversity, and why is it under threat?
Marine biodiversity refers to the variety of life forms in the oceans, including fish, plants, and microorganisms. It is essential for maintaining healthy ecosystems, providing food, oxygen, and livelihoods for millions of people. However, marine biodiversity is under threat from overfishing, pollutRead more
Marine biodiversity refers to the variety of life forms in the oceans, including fish, plants, and microorganisms. It is essential for maintaining healthy ecosystems, providing food, oxygen, and livelihoods for millions of people. However, marine biodiversity is under threat from overfishing, pollution (such as plastic waste), habitat destruction, and climate change. These threats reduce the number of species, harm marine ecosystems, and destabilize the ocean’s ecological balance, leading to potential crises for both nature and humanity.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/
See lessWhat are the challenges faced by island nations due to rising sea levels?
Island nations face significant challenges from rising sea levels due to global warming and melting polar ice caps. Coastal flooding and erosion threaten to submerge low-lying areas, displacing populations and disrupting economies that depend on tourism, fishing, and agriculture. Islands like the MaRead more
Island nations face significant challenges from rising sea levels due to global warming and melting polar ice caps. Coastal flooding and erosion threaten to submerge low-lying areas, displacing populations and disrupting economies that depend on tourism, fishing, and agriculture. Islands like the Maldives and Pacific archipelagos are particularly vulnerable, with some areas already experiencing land loss. Governments and international organizations are working to implement adaptation measures, but the future remains uncertain for many island nations.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/
See lessHow do human activities contribute to ocean pollution, and what are the consequences?
Ocean pollution, primarily caused by human activities, poses a severe threat to marine ecosystems. Plastic waste, oil spills, chemical runoff, and untreated sewage contaminate the water, killing marine animals, destroying coral reefs, and polluting the food chain. Microplastics ingested by fish canRead more
Ocean pollution, primarily caused by human activities, poses a severe threat to marine ecosystems. Plastic waste, oil spills, chemical runoff, and untreated sewage contaminate the water, killing marine animals, destroying coral reefs, and polluting the food chain. Microplastics ingested by fish can enter human diets, posing health risks. Additionally, pollution disrupts fishing industries, tourism, and local economies. Addressing ocean pollution requires global cooperation to reduce waste, enforce regulations, and promote sustainability.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/
See lessWhat role do continents play in shaping human civilizations and history?
Continents have played a central role in shaping the development of human civilizations. Each continent’s unique geography, climate, and natural resources have influenced agriculture, settlement patterns, and trade routes. For example, fertile plains in Asia and Europe supported large populations, wRead more
Continents have played a central role in shaping the development of human civilizations. Each continent’s unique geography, climate, and natural resources have influenced agriculture, settlement patterns, and trade routes. For example, fertile plains in Asia and Europe supported large populations, while the discovery of the Americas reshaped global trade and migration. Geography also determined the rise of empires, the spread of cultures, and the development of industries that have shaped history.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/
See lessWhat is the importance of the Southern Ocean, and how does it differ from other oceans?
The Southern Ocean, surrounding Antarctica, plays a critical role in regulating global ocean currents and climate. Its cold, nutrient-rich waters drive the circulation of water around the planet, influencing temperature and weather patterns. The Southern Ocean supports a unique ecosystem, includingRead more
The Southern Ocean, surrounding Antarctica, plays a critical role in regulating global ocean currents and climate. Its cold, nutrient-rich waters drive the circulation of water around the planet, influencing temperature and weather patterns. The Southern Ocean supports a unique ecosystem, including species like krill, penguins, and whales, which thrive in its cold environment. Unlike other oceans, it is largely uninhabited by humans, though it faces growing challenges from climate change and human activities.
For more NCERT Solutions for Class 6 Social Science Chapter 2 Oceans and Continents Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions-class-6-social-science-chapter-2/
See less