Much of Earth's land surface is just a few hundred million years old.

I've never seen a planet with so little land surface.

Virtually all of the land surface had been built over.

And such areas make up about one-third of the earth's land surface.

Hot land surfaces will show up as dark grey or black.

He might be anywhere on a planet with more land surface than Earth.

But this war could well decide the control of the planet's land surface.

To reach it we'd have to get up on the landing surface.

Figure 9.9 shows a computer reconstruction of an ancient land surface.

He could not be anywhere on the land surface of Earth, or within its oceans.

This comprises more than 60% of the state's total land surface.

Forests account for approximately 30% of the Earth's land surface.

Half of the Earth's land surface had now been domesticated.

Leaving this great biodiversity limited to about 1 percent of Earth's land surface.

At times the oceans were about 400 feet lower than today, exposing much more land surface.

The land surface is relatively flat with over 30 lakes in the county.

Rainforests now cover less than 6% of Earth's land surface.

Then, a sudden collapse of the land surface can occur.

The 15 small islands have a total land surface of 240 square kilometers.

Around a third of the Earth's land surface can be considered as having been subject to periglacial conditions at some time.

Not one percent of the land surface has been mapped."

One fifth of the Earth's land surface is covered with deserts.

Where they form a significant part of the land surface, the soil is unusually high in clay.

More than half of Chile's land surface is volcanic in origin.

Serious soil erosion has occurred in 69% of Turkey's land surface.