2. What is the primary reason that humans settled in temperate regions? human settlements are evenly distributed around the world
farming is easier in these climates
humans have better adaptations for temperate climates
the weather is more predictable in these climates

"d.) carbon dioxide and hydrogen sulfide"

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)]

it depends on how much it could carry.