The Rig Veda is often considered the .
A
first written collection of fairy tales

B
most perfectly preserved skeleton ever found

C
earliest written document of governmental laws

D
oldest existing piece of literature

i think the answer is the one about environmental and social health.

hope this

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.

an ecozone is best defined as a substantial part of the earth that contains living beings.

explanation:

(d) he had been a leader of the sons of liberty.