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Nataliya [291]
3 years ago
6

Please help brainliest, five star, thanks please helpppppppppp

Biology
2 answers:
WINSTONCH [101]3 years ago
8 0

Answer:

B(sperm production)

D(appearance of secondary sex characteristics)

Explanation:

anastassius [24]3 years ago
6 0

Answer:

its b and d hope this help

Explanation:

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olchik [2.2K]

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