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payshencec21
09.10.2019 •
Biology
Water is one of the required reactants for photosynthesis. it provides electrons which are energized by sunlight and used to
make energy carriers like atp. where do plants get the water they need for photosynthesis?
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Ответ:
Plants get water from the soil their roots are embedded in.
Ответ:
x1,y1➡-4,6
x2,y2➡5,1
suppose that (x,y) divides ab in ratio 2: 3,then by using section formula for internal division:
x=(m1x2+m2x1)/(m1+m2)
={2×5+3×(-4)}/(2+3)
=(10-12)/5
=-2/5=-0.4↪b