Question

what is the purpose of the green chill program? advancing food retail technology reducing refrigerant emissions and ozone layer impact promoting the use of ozone - depleting substances

Explanation:

The Green - Chill program is related to environmental protection in the context of refrigeration. It aims to reduce harmful impacts on the environment, specifically refrigerant emissions and their impact on the ozone layer. Advancing food retail technology is not its main purpose, and promoting the use of ozone - depleting substances is contrary to its goals.

Answer:

reducing refrigerant emissions and ozone layer impact