D) the Tigris, Euphrates, and Nile
Those are the only rivers listen that are in the middle east
Answer:
increases, angle, 10 parsec
Explanation:
d=1/p
d: distance in parsec
p: parallax in arcseconds
One parse is defined as distance at which angle subtended by an astronomical body from earth's equator is one arcsceond.
The answer is a hope this is helpful
