Explanation:
The early migrants firstly settled in America and came across Bering Straight .
Due to these diverse population , they scattered .
And the Natives developed by hunting , gathering , fishing . and started farming , and stayed at one place .
But before the appearance of the Columbian population , North America were having around 16 million Indians .
And
Thereafter , the population of Indians reduces due to the loss of battles against the spread of the White civilizations .
Ultramafic,as components of mafic rocks like olivine and pyroxene solidified at very high temperatures, so mafic minerals will decompose as the result of chemical weathering more rapidly than felsic minerals
Answer:
Class 8
What are natural resources?
How does land fulfil our needs?
Name a few landforms.
What are the factors that determine the pattern in which a particular region is used?
Mention some methods that are used to conserve soil?
Class 7
Name the brightest flower on tall trees.
How is natural vegetation classified?
Why do type and thickness of natural vegetation vary from place to place?
Write down the features of Tropical Evergreen Forests.
Write the features of Tropical Deciduous Forests.
Where are Temperate Evergreen forests located?
Which region is called the “orchards of the world” and why?
Write major features of Mediterranean Vegetation.
Explain major features of Tundra Type of Vegetation
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