What process most clearly contributes to gentic variation

Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring)

Explanation: Mutation is a factor to a population having genetic variation.

it’s lava came from an explosive eruption

1. b.

2. d.

3. a.

5. d.

6. c.

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