To prevent the entry of termites through walls, the impenetrable physical ___________ may be provided continuously at plinth level.

To prevent the entry of termites through walls, the impenetrable physi

1.	To prevent the entry of termites through walls, the impenetrable physical ___________ may be provided continuously at plinth level.
A.	Chemicals barriers
B.	Structural barrier
C.	Physical barrier
D.	Water barrier
Answer» C. Physical barrier