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1)impotent of water absortion in the alimentry canal ?
2)magnesium difficency in plant ?
4)disadvantage of breast feeding?
magnesium deficiency in plants causes yellow leaves as the magnesium is needed in the chlorophyll which makes the leaves green.
Fertilisers leach into rivers
nitrates cause algae growth
water plants die due to limited sun light
Algea die when nitrates run out
decomposers (bacteria) eat the dead plants and algae
use up the oxygen
water animals die
4)disadvantage of breast feeding:
I just remb these 2...