The electromagnetic waves were called Hertzian and, later, radio waves.
If Earth was just revolving around the Sun, but was not spinning around it's own axis, than we would've had two big contrasts on the Earth, on the one side we would've had an endless day, and on the other side an endless night. This is due to the fact that one half of the Earth would always be directed towards the Sun, while the other will never be directed towards the Sun.The one part where there would be constant day will be very hot, while the other part with the constant night will be extremely cold.
1:The
2:A
3:An
4:The
5:A
6:An
7:An
8:The
9:An
10:The
All the best I hope I gave you the right answers
I would either answer sanitation(pollution) or corruption
The right option is; B. a physical boundary between France and Spain
Pyrenees are various mountains situated in southwest Europe. Pyrenees forms a physical boundary between Spain and France while Andorra (a small country) is located between them. Pyrenees covers about 267 miles from the Bay of Biscay to the Mediterranean Sea. The eastern area of the Pyrenees are mostly made up of rocks (granite and gneissose), while in the western area, the top of the granite contains layers of limestone.
