AAls
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#81
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#81
(Original post by neon_reaper)
Sorry that I replied so late. It would probably help to include some of the positive aspects of it; the advantages, but those points were very good
The spec only asks for issues.
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ozmo19
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#82
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#82
Can someone outline the formation of a meander for me
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ramseyisbuff
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#83
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#83
Formation of a meander:
-As a river goes around a river bend, most of the water is pushed to the outside causing erosion.

-On the inside of the bend the flow is much slower so deposition occurs- this makes the channel much slower and gently sloping.

-As the erosion continues the neck of the meander becomes narrower and eventually the river cuts through the neck of the meander.

-Deposition then blocks the old mender bend to leave an ox-bow lake.

remember deposition on the inside-slower current
erosion on the outside-faster current
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hamiel
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#84
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#84
I was looking at a past paper and one of the questions was on the formation of composite volcanoes and the mark scheme talked about convection currents and plate boundaries but I thought it was to do with build up of layers of ash and lava.

Can someone explain the formation please just so I can make sure?
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AAls
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#85
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#85
(Original post by hamiel)
I was looking at a past paper and one of the questions was on the formation of composite volcanoes and the mark scheme talked about convection currents and plate boundaries but I thought it was to do with build up of layers of ash and lava.

Can someone explain the formation please just so I can make sure?
Plates move towards each other due to convection currents in the mantle. The denser oceanic plate sinks beneath the continental plate. The oceanic crust melts in the subduction zone, an ocean trench, due to friction and heat and a pool of magma forms. The rises and the pressure is released in an explosive eruption often along a fault - giving a steep sided volcano of lava and ash.
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ssshahjs
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#86
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#86
coasts case study on key haven salt marshes?
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ssshahjs
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#87
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#87
keyhaven salt marsh case study?
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Hannzz98
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#88
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#88
(Original post by studentgooner)
I wouldn't really think there would be a 6/8 mark question on supervolcanoes as there isn;t really a lot to write about
It might because there is quite a lot to write on Yellowstone, I really hope this comes up


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ramseyisbuff
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#89
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#89
(Original post by Hannzz98)
It might because there is quite a lot to write on Yellowstone, I really hope this comes up


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What are some points you can make for yellowstone
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hamiel
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#90
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#90
(Original post by ramseyisbuff)
What are some points you can make for yellowstone
1000km^3 of ash and lava erupted - so 1000 times larger eruption than an ordinary volcano. Eeery country would be affected. 87, 000 estimated deaths. Daylight for whole continents may be blocked due to massive ash clouds
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missaxo
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#91
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#91
OMG did anyone find that exam so difficult? Hated it so so much, the explanation questions were quite easy but the ordinance survey questions were atrocious (to me anyway, we weren't taught ordinance surveys due to a really ****ty teacher we had)


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studentgooner
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#92
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#92
(Original post by missaxo)
OMG did anyone find that exam so difficult? Hated it so so much, the explanation questions were quite easy but the ordinance survey questions were atrocious (to me anyway, we weren't taught ordinance surveys due to a really ****ty teacher we had)


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What topics did you do today ?
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ozmo19
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#93
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#93
Went quite well today in my opinion. Think I might have got around 57 so hopefully good boundaries!
I did Restless Earth, Living World and Water On Land
The 8 mark for WOL was terrible - transportation changes were tough for me
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ScienceGeek1878
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#94
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#94
I did 1 4 and 5 and found it pretty easy, besides the last question on water on the land...

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missaxo
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#95
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#95
(Original post by studentgooner)
What topics did you do today ?
water on land, restless earth and coastal zones. Restless earth was the easiest IMO


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TonyN98
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#96
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#96
Was the volcano in Restless Earth composite or shield? Some sources say composite, some shield. It was Eyjafjallajokull.
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Rabbanim
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#97
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#97
What was the 8 marker on living world please help
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SmashedIt
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#98
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#98
(Original post by TonyN98)
Was the volcano in Restless Earth composite or shield? Some sources say composite, some shield. It was Eyjafjallajokull.
i just looked on the internet and it seems it is a composite but on the picture i swear it looked like a shield
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missaxo
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#99
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#99
(Original post by TonyN98)
Was the volcano in Restless Earth composite or shield? Some sources say composite, some shield. It was Eyjafjallajokull.
Stratovolcano, so composite. I put a shield volcano but labelled it with composite characteristics! Will I get some marks? I'm so dumb, I said it had gentle slopes drew a gently sloping Volcano but other than that I did composite characteristics


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KK.Violinist
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#100
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#100
(Original post by TonyN98)
Was the volcano in Restless Earth composite or shield? Some sources say composite, some shield. It was Eyjafjallajokull.
I put shield since it looked flat?
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