China has little environmental restrictions on industries making them extremely profitable at the expense of the environment, that's one of the reasons why China is one of the fastest-growing economies
The correct answer is South America.
Explanation
The graph shows the change in forest cover across various regions such as Eastern and Southern Africa, Northern Africa, Western and Central Africa, East Asia, South and Southeast Asia, Western and Central Asia, Europe, Caribbean, Central America, North America, Oceania and South America of the world between 1990 and 2010 (divided into four groups 1990, 2000, 2005 and 2010). According to the graph the region with less change in forest cover is North America because through those years, there were close to 700.000 Ha; the region with the most increase of forest cover is East Asia because in 1990 there were close to 200.000 Ha and in 2010 there were close to 270.000 Ha, and the region with the most decrease of forest cover is South America because in 1990 there were close to 930.000 Ha and in 2010 there were close to 850.000 Ha. According to the above, the correct answer is South America.
Answer:
geomagnetic field.
Explanation:
The earth magnetic field can be likened to a bar magnet with a North and South pole. It originates from the movement of molten iron and nickel in the outer core.
At every point in time, the magnetic field orientation can change. We must note that the magnetic north lies close to that of geographic north axis of the earth.
Around the mid-oceanic ridges, new materials are brought to the surface. These new materials can contain magnetic minerals such as haematite which are capable of being magnetized as a result of the prevalent magnetic field of the earth. As different materials are brought up, the magnetic minerals preserves the details of the magnetic field at that point in time. Using this information can know the orientation of the magnetic field at any point in time if the magnetic history chart of the earth is constructed. Oceanic ridges becomes older as they move away from the divergent margins.
