DST#3 1ère L

SVT 1ère L Samedi 27 Avril 2013
Sciences : DST# 3
1h 30 min
PARTIE 1 SPC / SVT : Commentaire rédigé
Nourrir l’Humanité { 40 min } 8 points
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Source':'h*p://
www.office0elevage.fr/
vpc/254/1270coppet.PDF'
(modifié)'
France'AgriMer'
(Etablissement'naLonal'
des'produits'de'
l’Agriculture'et'de'la'
Mer)
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PARTIE 2 SPC : Nourrir l’Humanité { 25 min } 6 points
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Lac Victoria
(Afrique de l'Est)
Grand lac salé
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Mer morte (Proche Orient)
Na+
0,01
67
45
Mg2+
0,006
6
49
Ca2+
0,01
0,407
19
Cl-
0,02
112
252
SO42-
0,002
13
0,508
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Annexe 1 :