Answer:
Mutations, gene flow, and sexual reproduction are all major causes of variation. By altering the genes of individuals in a population, DNA mutation causes genetic variation. As new individuals with different gene combinations migrate into a population, they cause genetic variation.
Explanation:
B)
Answer: I think it’s the 3rd answer
Explanation:
Both convergent/destructive and divergent/constructive plate boundary can result in volcanic island
Dalit means "oppressed" (option b).
the origin of the word is in Marathi, and it's what they call themselves. By others they are called "untouchables"/