Expand the term ARC.

Expand the term ART.

Expand the term PAR.

Expand the term NACO.

Expand the term GEAC.

Expand the term RCH care.

Expand the term LAB.

Expand the term CNG.

What are mycorrhizae ? Expand the term VAM.

Expand the term CNG. Why is more eco-friendly than the diesel?

The major pollution in the environment is caused by automobiles. Expand the term CNG. Mention any two of its merits .