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zepelin [54]
3 years ago
9

Which causes genetic variations and can result in different alleles? O predation rate O random mutations O competition o environ

mental changes
​
Chemistry
2 answers:
frosja888 [35]3 years ago
6 0

Answer:

BBBBBBBBB

Explanation:

alekssr [168]3 years ago
3 0

Answer:

B

Explanation:

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