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:
Cataplexy
Explanation:
Cataplexy is a minor loss of the muscle tone triggered by strong emotions such as laugh. Cataplexy is a state of mind that occurs during waking time. Sometimes it has been misdiagnosed by the seizures. There is no proper treatment for cataplexy but it can be managed by the medication and other treatments. It is also called a sudden loss of muscle tone.
It occurs on both sides of the body. The triggering factors are laughter, excitement, fear, surprise, and annoyance. It is also associated with sleep disorder narcolepsy. It is also associated with stroke, multiple sclerosis, and encephalitis.
North I think........................................................
<span>They are bound to think that she is being insincere. Eye contact is one of the most important nonverbal speaking skills when giving a speech. It helps people understand that the speaker is not only serious about the speech he or she is giving but that they are being honest and care about the audience.</span>