It certainly looked like our piece of "dead sea bottom."

And something came sliding toward him across the sea bottom.

They descended to the first level of the sea bottom.

But we know now that nearly all dry land has been sea bottom before it was raised above the level of the water.

Not much energy transfer to the ocean or the sea bottom.

They are mostly large species living in the open ocean rather than on the sea bottom.

He thought that perhaps their best plan was to keep to the sea bottom, heading directly for the land.

I doubt that anyone will discover it on a sea bottom.

By their very nature, they do not erode the sea bottom.

In deep marine environments, the water current over the sea bottom is small.

It also decreases by some 5-7 from the sea bottom to the surface.

The water must have been very calm at this location because the sea bottom could be seen quite clearly.

"About six hundred feet, I judge, going by the character of the sea bottom around here.

Now it was Gary's turn to place markers - along the sea bottom.

But looking at the list, Alex knew some would never join the growing layer on the sea bottom.

Like walking on the sea bottom, only with no resistances.

The sea bottom for hundreds of miles about was terribly torn and changed as a result.

The sea bottom is a mixture of mud and rocks.

This was suggestive of feeding near or at the sea bottom.

By morning the city was blowing in great black soft flakes across the sea bottom.

Robert Bruce did as directed and immediately the entire sea bottom was revealed.

He would paint the sea bottom with their blood.

So, from launch to sea bottom should take about forty minutes tops.

As the mountains are worn away, the sea bottom slowly rises.

She went to the body of a Northman, frozen in death on the sea bottom.