Question

2
who developed
the method of making aqueous
aqueous cement​

Answer 1

Explanation:

Roman cement is a substance developed by James Parker in the 1780s, being patented in 1796.

Answer 2

Louis Vicat

• Louis Vicat was a French engineer, who created an artificial cement (1817) by mixing powdered lime with clay, that would set after being submerged in water for a several days. In 1818, Louis Vicat presented his work to the Academy of Science.