You are on a spaceship that can travel the speed of light, and you are going to visit Proxima Centauri. Proxima Centauri is 4.2 light-years away. How long would it take you to travel there? Explain your answer.

rain is the best answer

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production

      n

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)]