Earth Sciences & Geology

Earth Crust Questions

1) do the elements that make up the earths crust occur mostly as elements, or do they occur as compounds? explain 2) do the mantle and the core of the earth have thesame chemical make up as the crust?

What are 3 examples of a satellite

Bq: what 3 letters are in the force triangle-Planet around a sun, moon around a planet, asteroid around a moon bq = FMA

When, if ever, will we run out of oil and natural gas

Im writing an English essay about how we should use green energy. I really need help and this is very important because this is my summative. Please help! Thank you.-Coal There are still an estimated

How many oil pumps ran dry in the last decade

Please help me! Its an emergency!!! I found some stuff on the Internet but I dont really understand it. This is for my English essay. Thank you very much!-Selena, Your question pertains to the last de

What are your Thoughts about May 21th the World Ending

Is this guy a scientist ? Where does he get his Information?-Uh....well he was wrong about 1994 and a couple of other dates and prohecies for that matter, I kinda think he might be wrong about the 21s

Glowing crystals - do they exist

Its not uncommon to find things like caves filled with glowing crystals among all types of fiction works, but is this a reflection of anything in the real world?-Yes there is. Normally they are not fo

Three Types of Rocks at Olympic National Park

I need three types or rocks from Olympic National Park for a science project. Also: -What type is it? (ex. Igneous, intrusive?) -Why is it there? How did it form in the park? -Minerals that make up th

What plate boundaries is Olympic National Park sitting on

I know that Olympic National park is a subduction boundary, but is it on the Juan de Fuca plate and the north american? If so can someone provide this information for me with a URL I can cite for my p

What are the sequence of events in the formation of sandstone

Sandstone is a sedimentary rock....it is therefore formed by 3 main processes: Weathering and erosion- breakdown of inital rocks is needed. Transportation- the broken fragments are then transported

How about ore drilling and blasting process? and drilling plant

Show me the process with a specific case such asiron ore , copper ore, gold ore , etc.-Many drillers adopt their chosen method of both hole-making and hole clearing and become experts over time. Long

How is iron ore processed? and which mining equipments are chosen as iron ore processing plant

Iwas doing my homework to find mining info about iron ore mining processing.-Drilling As an universal practice, iron ore is dislodged by drilling blast holes according to a particular pattern which de

On what basic can sedimentary rocks be identified

grain sizegrain shape type of crystals (minerals present) in chemical sedimentary rocks mineral composition of grains

Greatest threat to Earth

I have to write a persuasive essay on what I think the greatest threat to Earth is. I started off by saying that humans are the greatest threat to Earth. Do you agree with my statement? Please explain

Is this the sign of end of the world

http://www.youtube.com/watch?v=CD2LRROpph0-yes. this is sick.-There is NOTHING that predicts the end of the world. > All predictions are simply cr@p - plain and simple. Things that we consider cata

Is the world really ending in 2012

Uh most definitely not. You see whenGod ends the world it will be unknown. Like catching someone off gaurd. Not even the angels know when its gonna end.-No. Take a look around. Where are all the newsp