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There have been dozens of land mine removal devices. Some of them used technology developed by NASA for remotely controlled vehicles, such as the Mars Explorer, or powered arms used for materials handling in space, such as the cargo arm from the space shuttle.
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What is a soil eriosion?
Soil erosion simply means the removal of soil from land. The most common ways soil is removed from land are by rain water or by wind. Soil erosion is often accelerated by human activities such as farming.
How was the land bridge formed?
Land bridges aren't actually formed, they are already there but covered by the sea. When a glacial period starts, the water evaporated from the oceans falls as snow on the land and then compacts as ice which does not melt. Continual removal of water from the oceans over thousands of years causes sea level to drop and exposes the "land bridges".
What is a erusion Coast?
Erosion of the coast is simply the weathering or the removal of land in the beach as a result of waves. This can also be caused by the wave currents, tidal currents and also drainage.
The main reason for land subsidence is?
The removal of water from aquifers, such as fine grained sediments. The rock compacts because water is partly responsible for holding the ground up, and when the water is removed, the rock falls on itself.An excessive extraction of groundwater is the primary reason for land subsidence. This is particularly a problem in the southwestern United States.
How does removal of groundwater cause land subsidence?
Water in the ground occupies the volume between the individual grains of material in the rock or soil from which the ground is composed. Thus wet clay, for example, will shrink in volume as it drys out and cracks may appear too. A similar thing will occur if groundwater is removed and the land dries out - it will shrink (subsidence) and cracks may also appear.
What is a catchy title for a NASA essay?
"NASA, land and space operations" or something like that. =P
Where did NASA land on the moon?
in the middle of the moon
Did nasa land on Pluto when it was consiterd a planet?
No
Where is the NASA satellite going to land?
in the air
What did NASA land a spaceship on mars?
to find martians
How do rockets land on land?
crashing into the ocean by Florida and then getting towed to the NASA center
What did NASA do to ensure the astronauts would not land on the moon?
Um...astronauts DID land on the moon...
Did neil Armstrong invent anything?
he did not invent anything but he was the first man to land on the moon
Did the NASA space shuttle really land on the moon?
The space shuttle never landed on the moon, but other NASA spacecraft did.
In what year did NASA first land a spacecraft on mars?
NASA's Viking 1 and Viking 2 landed on Mars in 1976.
What did Edwin Land invent?
the polaroid camera
What time did the NASA land in space?
2:36pm yesterday
