active uptake of minerals by roots mainly depends on the
1)availability of CO2
2)light
3)availability of oxygen
4)temperature

Please find below the solution to the asked query

Active transport requires large amount metabolic energy by root cells.  So oxygen is essential for generating energy by the process of biological oxidation (respiration).  Hence, availability of oxygen to supply energy is essential for absorption of minerals.

Hope this information will clear your doubts about the absorption of minerals.
Regards
 

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