Based on the passage which was NOT one of the students responsibilities?
A) Designing Mechanical models
B) Designing architectural models
C) producing drawings using traditional methods
D) producing drawings using engineering textbooks

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.  

the answer is a. the harappan civilisation is also called the indus valley civilisation, this is because they built their cities along the indus river. the reason behind this location can be found in the rest of the "old world" civilisations like mesopotamia or egypt, the first built their cities along the rivers tigris and euphrates, the second along the nil; : their respective civilisations thrived because the overflowing of their respective rivers produced favorable conditions for agriculture, their main support.