Question

which air pollution standards provide public health protection, including protection of the health of sensitive populations? secondary primary tertiary military

Explanation:

In the context of air pollution standards, primary standards are specifically designed to protect public health, including the health of sensitive populations. Secondary standards are more focused on protecting the environment (such as crops, buildings, etc.) from the effects of air pollution. Tertiary and military are not standard categories in the common framework of air - quality standards for public health protection.

Answer:

Primary