Answers to Earth Science Questions

My girlfriend and I were talking about flying in a plane and the fact that the higher you go, the colder it gets. How...

If water freezes at zero, we get frost at three degrees C?

A lot of smart people think global warming is just part of a natural trend that humans have very little influence on....

Jet streams flow laterally due to centripetal forces. If CFC gases caused the hole in the ozone layer over the poles,...

I've heard that the eruption of Krakatoa causes massive cooling in the atmosphere and these effects are...

With so many active volcanoes around the world how does the pollution from industry over the last 150 years compare...

Where does all the sand in the Sahara desert come from?

The Hunstanton cliffs are made up of layers of white chalk, red chalk and the main part is sandstone at the base. Why...

Is it true that lightning never strikes in the same place twice?

Since the Antarctic is landlocked, is it believed that underneath the ice but above the land (in other words sandwiched...

When fireworks are released into the air they turn into smoke and dust. Is there any danger from this?

The Earth's core is basically molten and the Earth is in the region of four billion or so years old. How come it...

Could you tell me if the ozone hole is now getting smaller since CFCs have been banned?

I was curious about the scaremongering we're hearing about the ice caps melting and flooding everywhere. I thought...

Did oil or natural petroleum deposits really come from primordial forests? With the thousands of barrels of oil taken...