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Jeffrey Boettger
  • Member for 4 years, 7 months
  • Last seen more than 3 years ago
4 votes
2 answers
998 views

Why does the colour of Earths oceans vary?

3 votes
2 answers
1k views

Radon is a naturally occurring radioactive gas. How does this work?

3 votes
2 answers
3k views

How do quartz veins form?

2 votes
2 answers
281 views

Geological maps of British Columbia

2 votes
1 answer
187 views

What are these features in the Tombouctou Region?

2 votes
2 answers
185 views

Is this why oceans are salty?

1 vote
2 answers
783 views

Polar Ice caps are melting? Questions on enviromental impact

0 votes
1 answer
116 views

Can someone provide a map of Nazca lines with this image in it?

0 votes
0 answers
66 views

Theorist speculate about dozens of loud atmospheric booms across globe

0 votes
3 answers
2k views

Effects of CERN on earth's magnetic field?

0 votes
0 answers
52 views

Caspian Sea oil deposits