Based on the picture, which statement about plants and earthworms in this garden is true? A. Earthworms are harmful to the roots of plants because they remove nutrients and water from the soil, which plants need to produce food. B. The plants use oxygen from the soil to produce food, and the earthworms use carbon dioxide released by the plants to produce energy C. Earthworms loosen and fertilize the soil near the roots, which helps the roots of the plants get nutrients and water from the soil. D. The plants serve as food for the earthworms for energy, and the earthworms then give this energy to the plants in the garden.​

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)]

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.