Answer:
The Stone Age was a broad prehistoric period during which stone was widely used to make tools with an edge, a point, or a percussion surface. The period lasted for roughly 3.4 million years,[1] and ended between 4,000 BCE and 2,000 BCE,[citation needed] with the advent of metalworking.
Factory production was greatly improved by standardized parts and assembly line production; true
Answer:
the Galilean Invariance and discovery of Isochronism in pendulums.
Explanation:
Galileo is the first known person who studied the skies in detail with a telescope. He made numerous significant discoveries in astronomy including the Phases of Venus and the four largest moons of Jupiter. His contributions to science include the Galilean Invariance and discovery of Isochronism in pendulums.
Hoped that helped:P
Adolf Hitler was Austrian.
