Where do most living things get the energy they need for life? A) either from air or food
B) either from sunlight or air
C) either from food or sunlight
D) either from air or water

The best answer choice is C. either from food or sunlight

Explanation:

Humans and Animals need to eat food to get energy

Plants use sunlight to create their own food.

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)]