Natural selection is rhe sirvival of the fittest. The fittest for the environment. If there is a sudden change in the environment say for example, flood or forest fire, etc. , species that once thrived may no longer have what it takes to survive in the changed environment. Other species might find it easier to thrive in the changed environment.
<span>After settling in India, the Aryans stopped being pastoral nomads and became farmers. The creation of the iron plow and the use of irrigation made it possible for them to turn the jungle along the Ganges River into farmland. The basic crops in the north were wheat, barley, and millet. Rice was grown in the river valleys. Grain and vegetables were grown in the south. Cotton and spices such as pepper, ginger, and cinnamon , were also grown.
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Answer:
Government bonds are low-risk, low-yield fixed-income securities that can be attractive to more conservative investors, or those looking for tax breaks. Treasury Direct is a website that allows investors to buy Treasuries directly from the U.S. government at auction.
Explanation:
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