The following was a common characteristic of WWI warfare: Nuclear submarines
Canons
I. E.D. s (improvised explosive devices)
Drone attacks
Trenches

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

the first forms of writing came from them in the form of pictographs around 3100 bc.

they are best known for the cliff pueblos found throughout arizona, new mexico, colorado and utah. and for their development of desert farming.

hope i

-lavira: )

i guess so you did not explain the answer clearly so i can't