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sounding weights used on the Challenger, called Baillie sounding machines, were provided with a tube into which a sample of the seabed was forced when the weight hit the bottom of the ocean. Also used on the Challenger were dredges and scoops, suspended on ropes, with which samples of the sediment and biological specimens of the seabed could be obtained.

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The rock samples collected from the bottom of the drill hole came from which earth layer?

The rock samples collected from the bottom of the drill hole likely came from the Earth's crust or upper mantle layer, as drill holes typically do not penetrate beyond the uppermost layers of the Earth's lithosphere. To determine the exact layer, further analysis of the composition and characteristics of the rock samples would be necessary.


How far below sea level is chlengers deep?

Challenger Deep, the deepest known point in the Earth's seabed, is about 36,070 feet below sea level, located at the bottom of the Mariana Trench in the western Pacific Ocean.


What is the deepest spot in the world?

The Mariana Trench in the western Pacific Ocean is the deepest spot in the world, reaching a maximum depth of about 36,070 feet (10,994 meters) at Challenger Deep. It is considered the Earth's lowest point.


What is the deepest point on the Earth's surface?

The deepest/ lowest place on earth to be found on land is the Dead Sea, forming part of the Israeli- Jordanian border. The shores of the Dead Sea are -422 meters below sea level. The deepest place in the world's oceans is the Challenger Deep in the Mariana Trench, a geological structure, part of the Mariana subduction-zone, in the Philippine Sea (western pacific ocean)reaching maximum depth of 10,924 meters below sea level.


Principle of water bath?

In a lab (or a kitchen) it is often esssential to keep a liquid mixture at an exact temperature without a gradient of heat (the bottom being hotter than the top) to make it "cook" properly. To do this scientists (and cooks) often submerge the vessel needing this controlled environment into a bath of water at a controlled temperature. The advantage is that the water in the wath presents the heated material with a constant temperature that will not exceed 100oC (the boilling point of water) so that over heating or scorching is avoided. The laboratory water bath is slightly more complex than the kitchen version (the double boiler) as the temperature can be controlled through sensors to wthin a degree of the desired temperature.

Related Questions

What are samples from the oceans bottom called?

sea bed


Where is the buffalo in the you spy extreme challenger?

I think it is on the side of the can on the bottom right hand page.


Where is the wrench in you SPY gold challenger?

at the bottom of the page in a little crook in the meadow where the cows roam


How do you get to challenger's cave in Pokemon White?

beat the elite 4 an go to the bottom of route 9


What was the research vessel that observed marine life at the bottom of challenger deep?

The research vessel that observed marine life at the bottom of Challenger Deep is called the DSV Limiting Factor. It is a submersible that was used in a joint expedition by the Five Deeps Expedition and the BBC.


Where is the bell in I spy extreme challenger on pages 16 and 17?

The bell is a jingle bell. It is in the top left corner.


What is the name of the submersible that decended to the bottom of the challenger deep the deepest spot on earth?

The submersible that descended to the bottom of the Challenger Deep, the deepest spot on Earth, is called the Deepsea Challenger. It completed the historic dive in 2012 with filmmaker James Cameron aboard, reaching a depth of about 10,908 meters (35,787 feet).


How long does it take to get to the bottom of Challenger Deep?

It takes approximately 2 to 2.5 hours to descend to the bottom of Challenger Deep, the deepest known point in the Earth's seabed, using a submersible. The return trip to the surface takes a similar amount of time.


Where is the pegasus in the I spy extreme challenger?

in the blue ball next to the bump sign on page nine near the bottom


Where is the ace in the you spy extreme challenger?

The ace in the "You Spy Extreme Challenger" game is located under the magnifying glass on the right side of the card. It is hidden within the design of the magnifying glass.


Where is the sailor in you spy super challenger on page 12?

The sailor is hiding behind the palm tree on the bottom left corner of the page.


Where is the man in the plane in you spy extreme challenger?

the man in the plane is on page 21 down the bottom right hand side