How do you know there is a correlation between physical variables in the ecosystem and the stink bug population?

it's c. (to reduce the greenhouse effect/carbon gasses)

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]