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trond hansen's user avatar
trond hansen's user avatar
trond hansen's user avatar
trond hansen
  • Member for 9 years, 8 months
  • Last seen this week
  • Røyken, Norway
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About

i am 60 years old my interests are very broad,sience-astronomy-biology-geology-marine biology.i simply want to know how every thing works,i have a cat named lillepus i have allways had a cat.

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Top posts

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23
What does a mm of rain mean?
Jul 11, 2018
11
Why do cities at high altitude regions have high atmospheric pressures?
Jun 5, 2017
9
To what extent do the levels of UVA, UVB and UVC radiations on the earth surface increase during solar flares?
Jan 30, 2020
9
Why did a branch against a window prevent condensation?
Jul 16, 2020
7
Where do aurorae australis begin and in which direction do they move?
Jan 26, 2020
7
Do you have any informations about fossil-rich cherts from Scandinavia?
Feb 6, 2017
6
What happens when the North and South poles flip?
Jun 1, 2019
5
Can an aurora australis be bright enough to illuminate someone's face?
Jan 13, 2020
5
Giant Cavern the Size of Manhattan Under Thwaites Glacier in West Antarctica
Feb 2, 2019
5
What is the most important source of natural gas? Coal, oil or other?
May 26, 2019

Top network posts

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55
Cat behaving strangely for no apparent reason
45
What are the signs of an old cat dying?
38
My cat demands a lot of attention
35
My cat mixes up the floors in my building. How can I help him?
34
Stepped on my kitten's paw