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.
<u>Answer</u>:
Cell phones contain rechargeable batteries that transform chemical energy into electrical energy. When using your cell phone, electrical energy is first transformed into <u>Electromagnetic waves </u>that are transmitted through the air.
<u>Explanation</u>:
When chemical energy is converted into electrical energy in cell phones, then this electrical energy firstly transformed or converted into electromagnetic waves which travels through air. Then this electromagnetic wave is converted into sound energy due to which users are able to listen audio, music, movies etc on their mobile phones.
The electrochemical energy that stored in a cell is removed as electrical energy in the process of discharging. There are so many other thermal and electrochemical processes taking place at the same time.
Answer:
they are both nomadic
Explanation:
Dinka and Nuer connected to each other either through adoption, marriage, and cultural assimilation. Their identity depended on kinship affiliation as much as language. They share a significant amount of vocabulary.
Answer: Tragedy of the commons
Explanation: Tragedy of the commons could simply be explained as the potential destruction or abuse of a communal resource which belongs to not one but group of people or a community due to unrestricted or unregulated access afforded to all members. The destruction or damage done is usually due to the self interest of members who are only guided by their own personal pursuit giving little or no regard to shared instruments, products, infrastructures or resources. In other to guard against 'tragedy of the commons' regulations and restrictions should be made to shield or protect shared resources.