The Aryan migration to India forever changed the Sub-continent. Even today, half of India speaks Indo-Aryan languages (Hindi, Bengal, etc.), and almost all of Northern India is heavily influenced by the arrival and settlement of the Arians.
Before their arrival, India was mostly inhabited by the Dravidians (Tamils, Telugus, etc), who have a darker skin complexion. The Dravidians still inhabit the south of India. Aryans introduced more white skin into India, and even today this distinction is visible: Indians in the south have darker skin and Indians in the north have lighter skin.
The Aryans also introduced a numerous cultural features in India, and in fact dominated the Indian culture for a long time (often forming an elite ruling over local non Aryan people).
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Answer:
Lysosomes and vacuoles both deal with waste materials. Lysosomes break down waste materials, and vacuoles store waste materials in the cell temporarily before the cell get rids of them.
Answer:
C
Explanation:
There was a study that revealed that tobacco products could react as a gateway drug opening the door to the use of the illicit drug. Use of drug and tobacco raise the risk of later use of illicit drugs like marijuana and cocaine. In a recent survey, it is found that 90% of users of cocaine among adults between the ages of 18 to 35 used cigarettes before used cocaine. Researchers was in suspension that nicotine exposure may be increased vulnerability to cocaine. So no one found a biological mechanism. The findings suggest that lowering smoking rates in young people might help reduce cocaine abuse.