What was true of the harappan civilizations

B

Explanation:

Harappa and the city of Mohenjo-Daro were the greatest achievements of the Indus valley civilization. These cities are well known for their impressive, organized and regular layout. They have well laid our plumbing and drainage system, including indoor toilets.

Harappa and the city of Mohenjo-Daro were the greatest achievements of the Indus valley civilization. These cities are well known for their impressive, organized and regular layout. They have well laid our plumbing and drainage system, including indoor toilets

the answer is option a.

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.