user avatar
user avatar
user avatar
Fred
  • Member for 7 years, 4 months
  • Last seen this week
  • Southern Hemisphere
43 votes
Accepted

How does global-warming-triggered ice melting cause global sea levels to rise?

37 votes
Accepted

Why doesn't the sun reach its highest point overhead at exactly 12:00 noon?

29 votes
Accepted

What's causing this high SO2 concentrations in Kazakhstan?

25 votes
Accepted

Are metals and other elements in every continent?

25 votes
Accepted

Is it possible for rivers to freeze completely and stop flowing?

25 votes

Is there still a hole in the ozone layer?

21 votes
Accepted

Why was the initial theory of plate tectonics so controversial?

21 votes

How are hillsides farmed?

19 votes
Accepted

Do dams reduce the flow of river downstream?

19 votes

Other than tectonic activity, what can reshape a world's surface?

19 votes

While desalinating ocean water, would it be bad if we didn't pump the brine back into the ocean?

19 votes

Geothermal instead of fossil and nuclear?

17 votes

How and why do these tree-like river structures form?

16 votes

Is the magma in one volcano different from the magma in every other volcano?

16 votes
Accepted

How did forests end up covering pyramids?

15 votes
Accepted

Is there a difference between rock and stone?

14 votes

What would be the effect of bringing seawater pipes to the Sahara desert?

14 votes

How do oases form in the middle of the desert?

14 votes

Ways to make a "How hard is it raining?" detector for personal use?

13 votes

Why do some earthquakes and volcanoes occur within plates?

13 votes
Accepted

What is the shortest path between two points on Earth's surface?

12 votes

Why are weather service atmospheric pressures systematically different from those I measure in Johannesburg?

12 votes
Accepted

How do scientists measure the age of old animal remains?

12 votes

Why did the Australian bushfires cause pitch darkness during the daytime?

12 votes

How plausible is it that "a portion of the ocean's floor" could suddenly be "thrown up to the surface" as described in this Lovecraft story?

11 votes

Why are atmospheric BrO and ClO important to measure by satellite?

11 votes
Accepted

What conditions could produce 50 km long lava tubes?

11 votes

How to learn the different types of rock

11 votes
Accepted

Do forests affect local rainfall and climate significantly?

11 votes

What does the notation "kg kg-1" for units mean for specific humidity

1
2 3 4 5
12