An epithelium with water proofing qualities is

The water proofing agents:

What are water proofing agents?

What is the importance of water proofing agents?

Name the peripheral and water proof dead tissue of old stem of woody trees.

The kind of epithelium which forms inner walls of blood vessels is (a) cuboidal epithelium (b) columnar epithelium (c) ciliated columnar epithelium (d) squamous epithelium

The kind of epithelium which forms inner walls of blood vessels is (a) cuboidal epithelium (b) columnar epithelium (c) ciliated columnar epithelium (d) squamous epithelium

Columnar epithelium differs from cuboidal epithelium in that

Columnar epithelium differs from cuboidal epithelium in that

The act associated with protection of water and soil quality is

How does a water proofing agent work ?