The Universe Was ________ Old When Electrons and Positrons Formed

question 75

Short Answer

The universe was ________ old when electrons and positrons formed.

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Definitions:

Impregnation

The process of fertilizing an egg, resulting in pregnancy, or the act of permeating an object with another substance.

Implants

Medical devices or tissues inserted into the body, often for reconstructive or therapeutic purposes.

Hormonal Methods

Contraceptive techniques that employ hormones, such as estrogen and progestin, to prevent ovulation and thereby prevent pregnancy.

Mixed-Sex Couple

A romantic or sexual partnership comprising one male and one female individual.