Earth Sciences & Geology - March 2007

I understand that quartz is used in the manufacture of semiconductors. How is this mineral able to conduct electricity? I think it is both covalently and ionically bonded. I am new to this stuff and cannot see if it is solid how electricity is able to be conducted

2007-03-19 11:11:00 · 4 answers · asked by Gideon 1

I still don't get it.

Alluvial fans are usually found
A. Top of the mountain
B. Base of the mountain
C. Alongside the mountain

2007-03-19 11:08:23 · 2 answers · asked by Eric 2

why are rocks crushed prior to being processing?

2007-03-19 11:01:43 · 3 answers · asked by Gamer [Girl] 2

need by 10 eastern

2007-03-19 10:45:17 · 5 answers · asked by Anonymous

I need to find a list of PA's natural resources.

2007-03-19 09:45:58 · 8 answers · asked by sek19 2

2007-03-19 09:29:03 · 7 answers · asked by gifts4.everyone 1

I've asked so many people, but I don't understand the answers! What is global warming and how did it start? Can we stop it? Will we all die?

2007-03-19 09:15:21 · 9 answers · asked by irishdancer502 2

2007-03-19 09:06:19 · 5 answers · asked by directmu 2

2007-03-19 08:50:19 · 9 answers · asked by Anonymous

2007-03-19 08:41:31 · 5 answers · asked by Anonymous

2007-03-19 08:40:13 · 4 answers · asked by Anonymous

2007-03-19 08:28:00 · 3 answers · asked by rimridn 1

2007-03-19 07:58:22 · 1 answers · asked by T.T 2

hi
i am graduated in applied geology its bsc hons degree (by the grace of ALLAH)
now inshaALLAH i am going to do master .
i have 3 options of subjects what do u think which one is better

1st is engineering geology
2nd is geophysics
3rd is mineralogy and petrology
plzzzzzzz help me in chosing subject

2007-03-19 07:37:35 · 3 answers · asked by unknown 1

1. It is believed that Earth was once a "supercontinent" called __________.

A. North America
B. Africa
C. Plate Tectonics
D. Pangea
2. When rock and debris is compressed it forms __________ rock.

A. metamorphic
B. sedimentary
C. basalt
D. igneous
3. Rocks are continually being weathered, transported, altered, melted, and reformed in the rock cycle.

A. true
B. false
4. The three major types of rocks are ____________?

A. igneous, metamorphic, talc
B. igneous, metamorphic, shale
C. igneous, metamorphic, sedimentary
D. igneous, sedimentary, shale
5. Igneous rock forms ____________.

A. underground
B. above ground
C. both above and underground
D. none of the above

2007-03-19 06:59:07 · 7 answers · asked by London-England- 1

what is the word for the fringe area around an island that has lost its shoreline due to erosion.

2007-03-19 06:48:13 · 3 answers · asked by R V 1

2007-03-19 06:42:15 · 6 answers · asked by claire 1

2007-03-19 06:24:41 · 6 answers · asked by Anonymous

It's for an earth-science problem =]

2007-03-19 06:24:15 · 2 answers · asked by befferz 2

If You Know Any Of This Please Let Me Know!

-Conditions (temp, metamorphic facie)
-Location of formation (where it was formed-part of earth)
-Precursor sedimentary rock/type of metamorphism involved
-Its complete path through the rock cycle

2007-03-19 06:21:36 · 1 answers · asked by Me :) 2

it seems to keep their enviornment clean, and energy costs down!

2007-03-19 06:09:24 · 7 answers · asked by Anonymous

2007-03-19 05:55:49 · 8 answers · asked by scottatan 2

We need the answer asap

2007-03-19 05:51:22 · 3 answers · asked by Anonymous

Explain your predictions on the future use of our depleting natural resources.?
What actions do you personally take to conserve the Earth's natural resources? If you do not currently take action, explain what you could do within the next year that would help conserve natural resources.

2007-03-19 05:30:46 · 1 answers · asked by CelticMoonGoddess 2

Which plates moved while earthquake in pakistan on 8th october 2005

2007-03-19 05:26:26 · 4 answers · asked by kokoo 1

2007-03-19 05:13:03 · 3 answers · asked by Anonymous

For a project I need a few symobols ( meaning objects landmarks etc.) that reprsent Antartica. thanks

2007-03-19 04:56:18 · 3 answers · asked by Anonymous

class project!!!!!!!!!!!

2007-03-19 03:56:55 · 3 answers · asked by Anonymous

could use some help with these 10pts best answer!

Two examples of radioactive minerals are
calcite and dolomite.
feldspar and quartz.
bornite and azurite.
carnotite and uraninite.


Metals form positive ions because they easily
gain electrons.
become neutral.
lose electrons.
decay.

The composition of Earth's inner core is
solid iron and nickel.
solid iron only.
solid nickel only.
none of the above.

A Foucault pendulum provides evidence of Earth's
rotation.
axial tilt.
parallax.
revolution.

A Foucault pendulum provides evidence of Earth's
rotation.
axial tilt.
parallax.
revolution.

2007-03-19 03:44:03 · 6 answers · asked by Anonymous

2007-03-19 02:41:28 · 3 answers · asked by arisekunle 1