Answer:
the telescope
Explanation:
The telescope was one of the central instruments of what has been called the Scientific Revolution of the seventeenth century. ... In short, it was the prototype of modern scientific instruments. But the telescope was not the invention of scientists; rather, it was the product of craftsmen.
Answer:
B
common sense
they always had fresh drinking water and a place to dump sewage
I think D. but I’m not for sure