Answer:
Mountain Ranges.
Explanation:
The natural boundary which shielded the Indus and Ganges Valleys from invaders to the north was mountain ranges. The world's tallest mountains that stood on the north of the Indua valley served as a guard to protect the Indus and Ganges valley from being invaded.
<u>Indus Valley is surrounded by the world's tallest mountain range of </u><u>the Hindu Kush, the Karakorum, and the Himalayas in the north.</u><u> Indus and Ganges valley form the most fertile landforms.</u>
Thus the correct answer is that the natural boundary of mountain ranges guarded Indus and Ganges Valley from being invaded.
Answer:
Ancient civilizations based a large part of their economy and their subsistence on trade and exchange of goods. Thus, they were guided by a very simple premise: they traded what they had left over, to obtain in exchange what they lacked. For example, if a civilization overproduced wheat, it could trade that surplus for goods it did not have, such as animals. In this way, all civilizations covered their needs without the obligation to procure them all by their own hand.
Answer:
Deep time is the concept of geologic time. The philosophical concept of deep time was developed in the 18th century by Scottish geologist James Hutton (1726–1797); his "system of the habitable Earth" was a deistic mechanism keeping the world eternally suitable for humans.
Explanation:
Money, while it cannot buy happiness, is an important means to achieving higher living standards. In Portugal, the average household net-adjusted disposable income per capita is USD 20 519 a year, lower than the OECD average of USD 30 563 a year.
<span>I sometimes catch myself being somewhat egocentric. I think this can cause individuals to have a more difficult time empathizing with others, which is something I certainly struggle with when I am feeling egocentric. With sociocentrism, I feel that certainly brings others to have difficulty empathizing with their peers, or others from different groups. I attempt to stay open minded and remember EVERYONE is human, and no one is more valuable than anyone else!</span>