Where they will remain for eons .

Evolution The origin of life on Earth is not well understood, but it is known to have occurred at least 3.5 billion years ago, during the hadean or archean eons on a primordial Earth that had a substantially different environment than is found at present.

ago

Amphibians first appeared around 364 million years ago, followed by early amniotes and birds around 155 million years ago (both from reptile like lineages), mammals around 129 million years ago, homininae around 10 million years ago and modern humans around 250,000 years ago.

Now here's what does work Again, Bandura recognized this years ago, decades ago.

Japan s high tech industries remain competitive, and the country is still the world s second largest exporter. It retains a highly innovative economy, which registers more new patents each year than all European countries combined second only to the US and eons ahead of China and India.

He died 25 years ago this year, and was born 75 years ago this year.

That was years ago.

That was years ago.

And it s actually something that we invented a few years ago, or created a few years ago.

Ago d'Oyo After the destruction of Oyo Ile, the capital was moved further south, to Ago d'Oyo.

And then you created Earth about 4.5 billion years ago, and then you got life about four billion years ago, and then you got hominids about 0.006 billion years ago, and then you got our version of hominids about 0.0015 billion years ago.

He left ten minutes ago.

He died one year ago.

Things were better long ago.

That was three elections ago.

Five hours ago he tweeted

A number of years ago,

But the world today is different from the world of 25 years ago, or even 10 years ago.

20 years ago, 30 years ago, only big professional astronomers with very big telescopes could see far into space.

The accident happened two hours ago.

My uncle died a year ago.

Kites were invented 2,000 years ago.

This happened a long time ago.

The conference ended two hours ago.

The conference ended two hours ago.

I should've done this months ago.

Sami left college six years ago.

Sami started classes six days ago.

It lost its innocence decades ago.

These offenses were perpetrated decades ago.

3G was heralded 5 years ago.

So four, almost five years ago,

I met her an hour ago.

One year ago, there were twenty.

About 200,000 years ago Europe and the Middle East were colonized by Neanderthal man, extinct by 39,000 years ago following the appearance of modern humans in the region from 40,000 45,000 years ago.

Two years ago that remained an informal discussion, but the consensus resolution we adopted two years ago reflected those advances.

Geological evidence suggests the Pacific coastal route was open for overland travel before 23,000 years ago and after 16,000 years ago.

This dog was born two months ago.

This bridge was built two years ago.

I gave up smoking six months ago.

My father passed away two years ago.

I gave up smoking a year ago.

I took that photo a week ago.

I took that picture a week ago.