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.

2cool and cold temperature unless its an ever green tree 

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.