I don't understand your question.
Answer:
the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life
Explanation:
I would say all of the above except the last option. "Dirty conditions led to disease "
Answer:
The caste that one belongs to serves as a strong determinant of his or her voting pattern. In India, different political parties represent the interests of different caste groups. ... The upper caste people have more freedom to vote by political beliefs. The Mandal Commission covered more than 3000 Other Backward Cast.
Answer:
Option: B. Slavs
Explanation:
The Slavic language originated in Central and Eastern Europe. The Slavs people speak Russian, Ukrainian, Belorussian, Polish, Bosnian, Croatian, Serbian, and Czech. The Slavic language is a group of Indo-European languages spoken in eastern Europe, the Balkans, and the north part of Asia.