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Earth Sciences & Geology

Why don't Volcanoes occur at transform plate boundaries

Volcanism can occur at transform boundaries, but it is typically a small amount and is typically related to decompression melting caused by block rotation or thinning of lithosphere. No significant v

...where does the U.S get most of it's oil? percentages

Please cite-The US imports about half of the oil it consumes. The major sources of imported oil:23.3% of imported oil comes from Canada10.7% of imported oil comes from Venezuela10.4% of imported oil

How to determine a map scale

Im making a topographic map for school. The paper is 3ft by 3ft. The areas dimensions are 30ft by 121 ft. What should the scale be? 1 in=5 ft?-1 in = 4 ft Then 120 ft. would use 30 of the 36 paper.

10 earth Science quesitions, help please♥ 10POINTS

1.This is an underground source of fresh water.(1 point) -Aquifer -Water table -Deposition -Well 2.This is a form of ground water pollution where heavier chemicals fall back to the ground and coat the

Fossils in schist rock?!??!

can you find WELL preserved fossils in a foliated rock like schist? this a question out of my science textbook i need for h.w. Thank you!!! :)-Well preserved fossils are not usually found in metamorph

19 true/false earth science questions,help?10 POINTS♥

1.Decibel is a measurement of the amount of pollution.(1 point) True False 2.Non-point-source pollution can be traced to one specific source.(1 point) True False 3.Point-source pollution is pollutio

10 true/false earth science questions, Help♥ 10 POINTS

1. A prion is an infectious, self-reproducing protein structure. (1 point) True False 2. As one organism eats another, toxins can be spread throughout the food chain. (1 point) True False 3. The probl

Help me answer any of these Geology questions? (10 pts!!)

I had written all my study material from the book down on paper but I lost the paper and I already returned the book. : ( All I have are these practice questions to help me pass the test but hopefully

Earth science questions

. The third stage of stellar evolution, when the star cools and expands, is called a A) red giant. B) planetary nebula. C) protostar. D) main sequence star. 2. The final stage of a massive star w

Is it bad to inhale sulfur gases

yes.hydrogen sulfide is a deadly poison even in small amounts and the more oxidized species are highly corrosive (acids).The good news is that they smell like heck even at very low concentrations so u

How do you turn a nickel into a diamond

If you can buy a diamond for five cents, it would be microscopic.-You cant. In order to have diamonds you have to apply lots of pressure onto carbon, not nickel.-you find someone with a diamond and tr

What led to the Earth's first mass extinction

The first great mass extinction event took place at the end of the Ordovician, when according to the fossil record, 60% of all genera of both terrestrial and marine life worldwide were exterminated.

Why do creeks turn black

I know of a creek in Maine that arises in an oak bog. In the early spring the bog floods carrying water heavily contaminated with tannic acid from the decomposition of the previous autumns oak leaves.

I have what i think may be a meteorite submerged in water but how do I definitely tell it is indeed one

There is a large brown rock just of an island in a lake that I go to that is magnetic is there any possibility that it is a meteorite?-It is a possibility.Your best bet is to look at other meteorites

Could the world fall

With developing countries, China and whatnot, building all these new buildings, obviously they all weigh alot. Is there a point where all this new junk gets too heavy for the world, and it falls?-All
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