Answer: 1- (D)
2- Lithosphere
3- True
4- True
Explanation: Black smokers are generated in the mid oceanic ridges and during the underwater volcanic eruption, which is a hot vent releasing black colored smokes of sulfur from it. They are often associated with the Volcanogenic Massive Sulfide (VMS) deposits.
The lithosphere is the rigid broken plates that are relatively cool and flows over the weaker and viscous asthenosphere layer.
When the groundwater flow intersects the ground level, it forces the water to come out to the surface forming a spring.
The study of changing atmospheric composition along with the ice cores, helps in determing the age upto 800,000 years. But recently, a new discovery has made, in which the ice cores helped in dating back to about 1.5 million years.
Answer:
Lake Superior
Lake Huron
Lake Erie
Lake Ontario
Explanation:
The Great Lakes region is located in the northernmost part of the United States and the southernmost part of Canada. There are five large lakes in this region, Superior, Huron, Michigan, Erie, and Ontario, and apart from Michigan, the other four make up part of the border between the United States and Canada. All of these large lakes are glacial lakes, being formed from the melting ice at the end of the last Ice Age. At present, these lakes are very important for this region because they provide lot of fish, easy traveling and transport, make the climate milder. This has resulted in the building of multiple large cities on the shores, as they had all the basic things needed for economic development.
Volga River is the longest river in Europe.
It is also a source of hydroelectricity for many Russian cities along its basin
In the following statements, a challenge that the agricultural faces in the coming decade would be B. Farmers in Africa must adopt new methods in order to meet their needs. The IAASTD would respond to the widespread realization about the technological achievements.
Answer:
The correct answer is - physical and human geography.
Explanation:
Environmental geography is the branch of geography that explains the spatial aspects of the interaction between the physical environment or natural world and humans. Ecological geography connects physical and human geography or ecosystem.
Environmental geography is a branch of geography that deals with the social relationships and economic interconnections, between people and their natural or physical environments.
