Question

road side plant cannot grow properly why

Answer 1

bcz there will be more amount of carbon dioxide and other unwanted gases than oxygen.... while plants need more oxygen to gro not carbon dioxide........

Answer 2

As in roadside pollution there is very much high in rate. And due to huge amount of carbon dioxide present and other harmful gasses in the air.
The plants cannot get fresh or clean air to prepare it's food and complete it's nourishment.
The plants sometimes also don't get water.
Because of this reasons the plants can't grow properly in roadside.
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