Which of the following is an accurate statement about science in the middle ages?
a)all scientists used the scientific method
b)mathematicians continued to use roman numerals for their calculations
c)alchemists believed that metal could be changed into gold
d)scientists proved that the sun was the center of the universe

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.

don't type random stuff. it's wierd.