The of the indus river valley is well known for their carefully planned city sites built in organized grids.
a. harappan civilization
b. shang dynasty
c. olmec civilization
d. egyptian civilization

The Harappan civilization of the Indus River Valley is well known for their carefully planned sites built in organized grids. The correct option in regards to the given question is option "a".Harran civilization is part of Indus Valley Civilization. This was a civilization that flourished beside the river Indus and had excess amount of  agricultural production and had great commerce structure as well. The bricks that were used to construct the buildings of Harrapan civilization was made from red sand, stones and clay. These materials were baked at very high temperature to create solid bricks.

The harppan civilization  of the indus river valley for their carefully planned city sites built in organized grids.

Aristotle thought so every portion of the earth tends toward the center until by compression and convergence they form a sphere. travelers going south see southern constellations rise higher above the horizon.~ hope this !