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What is happening to the gap between rich and poor nations?
Sex Hormones
Chemical substances produced by the endocrine system that regulate sexual development, reproductive functions, and secondary sexual characteristics.
Estrogen
A group of steroid hormones that play a key role in the development and regulation of female reproductive and secondary sexual characteristics.
Inverse Relationship
A correlation where an increase in one variable leads to a decrease in another variable, or vice versa.
Trial-And-Error
A problem-solving method involving repeated, varied attempts which are continued until success, or until the agent stops trying.
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