Question
How plants get nutrients?

Answer

Plants get nutrients through air, water and soil.

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The valencies (or charges) of some of the ions are given below:
Ion
Valency(Charges)
Ion
Valency(Charge)
Sodium ion
$1+$
Bromide ion
$1-$
Ammonium ion
$1+$
Hydroxide ion
$1-$
Calcium ion
$2+$
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$2-$
Lead ion
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