What does YA stand for?

Years Ago (homo-sapiens evolution)

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Youth for the Kingdom (Phoenix, AZ) Youth for Liberty (summer camp in Orono, Ontario, Canada) York 4 Mathematics Association (Canada) Youth for Public Transport Youth for Truth (Ireland) Youth for Youth Year Five Thousand Year Six Thousand Enlisted Sterile Pharmacy Specialty Year Ago (financial statements)		Yelberton Abraham Tittle (football quarterback) Yellen & Associates (Northridge, CA) Yellow Armor (gaming) Yellow Armour (Quake) Yet Another Yield Analysis Yläaste (Finnish: school) Yleiset Aineet (Finnish, music term) Young Adult Young Americans (Drum and Bugle Corps)

Samples in periodicals archive:

Evidence for the oxygen drop comes from minerals in banded iron formations, large iron oxide repositories that accumulated billions of years ago (SN: 6/20/09, p.

Atmosphere took roller-coaster ride around time of Earth's ...

is a colorful children's picture book that is all about prehistoric dinosaurs and butterflies and other plants and animals that existed up to 248 million years ago.

Dinosaurs ROAR, Butterflies SOAR!

I wish it was those days, many years ago, before our crest was flanked with two flames.

MANY YEARS AGO; Your Poem

Ursula Ursula lived 45,000 years ago in northern Greece.

The Seven Daughters of Eve

8%, continuing a trend that began several years ago.

General merchandise: total U.S.-F/D/M (supermarkets + drugstores + ...

Apeman "Toumai" lived in Africa seven million years ago.

Apeman skull from 7million years BC; Find is `first of our family'

The first bathroom with hot and cold running water was installed 299 years ago at Chatsworth House, Derbyshire.

millennium countdown 299 days to go

6 billion years ago Mars takes shape as a ball of molten rock when the solar system forms.

A piece of Mars on Earth: here's how scientists think the meteorite ...