Answer:
it happens when a low branch or stem touches the ground and takes root
Explanation:
[tex] \huge \color{pink}\underline{ \sf{Air \: layering=>}} \\ \\ [/tex]
[tex] \\ \large \color{blue}{ \boxed{ \sf{How \: plant \: reproduce \: by \: Air : - }}} \\ \\ [/tex]
[tex]\\\\\\[/tex]
[tex]\large\color{red}{\boxed{❥\:gℓσssүρεαяℓ...}}[/tex]