It helps save on production costs (20) _________ creating new products wastes materials and is expensive.

Knowledge: Conjunctions

Explain:

A. so: so

B. but: but

C. although: although

D. since: because

It helps save on production costs (20) since creating new products wastes materials and is expensive.

(It saves production costs because creating new products wastes raw materials and is expensive.)

Choose EASY