Answer:
A.boats helped people to travel#1
they viewed mathematics by knots in ropes and in roman numerals#2
B.In the center of it all#1
he invented the telescope#2
Issac newton discovered gravity#3
because he had a large influence on both the history of chemistry and the history of biology#4
C. René Descartes, it was first from France#1
Francis Bacon discovered and popularized the scientific method, whereby the laws of science are discovered by gathering and analyzing data from experiments and observations, rather than by using logic-based arguments.#2
Step-by-step explanation:
hope this helps