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The first scientist to claim to have detected radio communications from another civilization was
Primary Sexual Development
The development of the reproductive organs and structures that occur during puberty.
Secondary Sexual Development
The physical changes that occur during puberty, aside from the reproductive organs, such as development of breasts in females and deepening of the voice in males.
Precocious Puberty
A condition where children start developing physical signs of puberty earlier than usual, typically before the age of 8 in girls and 9 in boys.
Pubertal Development
The physical changes during puberty that result in the development of secondary sexual characteristics and reproductive maturity.
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