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About duba

Geologist (its more than enough)
Member Since May 28, 2006
70, Male, Israel

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A:

Identify Light Blue Rock

No one can identify a rock without seeing it. I guess the rock belong to the Granite family ,because of the quartz. The gold deposits might be the Muscovite mineral - a phyllosilicate of aluminium ...
Submitted by duba 13 days ago
0 comments


A:

Ring at the Edge of the Solar System

Hi The ring can't affect our Sun-System. and surely not our galaxy. because it's made of dust and aggregates of ice with all inclusive a mass not larger than a little moon. Explanation: What has ...
Submitted by duba 18 days ago
0 comments


A:

Why is short-term prediction of earthquakes so ...

Earthquake Prediction By Ruth Ludwin Because of their devastating potential, there is great interest in predicting the location and time of large earthquakes. Although a great deal is known about ...
Submitted by duba 1 month ago
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Q:

Blocking presentaions.

Hii How can I block my presentations from anyone to make changes in it ( or erase my identification) ?
Submitted by duba   3 years ago.
  • 4 answers
  • viewed 968 times
Last answer posted 3 years ago by Jack of all Trades

duba did not comment any answer yet.


Q:

Can anybody tell me what's the difference beetwen ...

can anybody tell me what's the difference beetwen the north pole and the southpole?
Submitted by jaxssy06   2 years ago.
  • 4 answers
  • viewed 741 times
Last answer posted 2 years ago by cathrina


Q:

What is the safest thing to do when there's an ...

what is the safest thing to do when there's an earthquake?
Submitted by AllisonG   2 years ago.
  • 4 answers
  • viewed 1815 times
Last answer posted 2 years ago by Kaili


Q:

Animals

how jellyfish reproduce
Submitted by ssarza   2 years ago.
  • 4 answers
  • viewed 707 times
Last answer posted 2 years ago by duba

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