Earth Sciences & Geology

Why can't Humans swim to the ocean floor

Deepest Place in the Ocean - Challenger Deep Challenger Deep got its name from the British survey ship Challenger II, which pinpointed the deep water off the Marianas Islands in 1951. Then in 1960, t

In layman's terms, what is the ozone layer and global warming

science homework-The ozone layer is a part of the atmosphere which can block ultraviolet light that comes from the sun.UV light causes cancer, or blindness, or death . . . pretty bad stuff, of course.

Have you ever though about this

How we live? How we get the right amount of oxygen? How the earth is a position just right away from the sun? How everything just works perfectly for us to live? Just something I was thinking about..

I haven't heard anything lately about the ozone. How big is the hole in it

models show that ozone loss reached around 40% at the end of March. This site has some current information. http://www.sciencedaily.com/releases/201…-Not as big as the ones I like.

Is it likely that by 2030 aging could be stopped or slowed down significantly

Maybe-maybe, it depends on the achievement people get

Is there a way to attract plastic that is floating in the ocean, like some kind of magnet

I am really concerned about all the small plastic particles in the ocean and want to help figure out a way we can get it out of the ocean as birds, fish, turtles and mammals are eating it and getting

How do worms fall from the sky

I was outside today after it rained, and I noticed some worms on the sidewalk. Theyre usually on the sidewalk after it rains, so I was wondering if worms are in some water drops then the water bursts

What is the impact of Tsunami

Can you pleasse help me explain the impact of tsunami ??? any sites you know ??? please help ..thanks-As can seen from the last one that hit Japan in March. The impact was devastating. It knock down c

Can anyone help me identify these stones

I am re-asking this question to get more input.Ive added more photos. I bought this necklace in an antique store yesterday. Can anyone identify the stones in this necklace? The crystals of both of

Why is the mudstone blue-grey when fresh but turns yellow-brown when weathered

Does it have something to do with oxidation in the atmosphere?-The answer is that mudstone was deposited in a reducing or anoxic (without oxygen) environment.As a result, the iron tends to be present

What do you know about Coromandel mining

for a school project I have to create a poster for or against mining in the Coromandel. Any ideas? I also have to list why it should and shouldnt be mined. PLEASE HELP!! thanks-I think if you take the

How is oil formed????????????

Bob, Oil forms when plants and other organic matter are buried and decay over long periods of time. The organic molecules break down into simpler hydrocarbons, and forms a layer in the geologic recor

Lakes and rivers found in temperate grasslands

I dont know

Why do tornadoes all spin the same way as the bark on trees grow

i also heard that the cauldera of a volcanoand electricity in lightning spin the same way as well. is there a reason for this?-Low-pressure areas like tornadoes and moving gases from a volcano spin co

What were to happen if large amounts of salinity...

were to suddenly appear in freshwater? what would happen to the fish? and if all the salinity in saltwater were to dissapear and become like freshwater? I know its a strange question but somtimes we