If the Air Force had to eat at marine corps chow halls until they could pass a DoD audit, they would pass on a month.

Older than trees.

Older than bones.

Drones from land masses that don’t exist anymore.

There is rock in the Appalachian mountains without coal seams, because many formed in places before the land biomass that made coal and oil existed.

They contain layers of fossils from ancient whales back to small crustaceans.

480 million years ago trilobites were being heft out of the sea by the Appalachians.

The Appalachians existed for 20 million years before bearing witness to a million year long meteor shower from the L-chondrite debris that gave the earth temporary rings.

Yes.

Electrical current firing in the heart can be picked up by EKG, but if there is no blood left in the tube you have no blood pressure.

It can pass phase 2 easier but not phase 3 trails.

I work on side projects for people with woodwork.

My day job that makes up the majority of my income is in software.

I wouldn’t call myself a woodworker over a software engineer.

You are calling yourself a content creator instead of a prostitute when that’s your primary profession. Nothing wrong with either profession, but that context is relevant.