Which two statements describe evidence that directly led to the development of the theory of plate tectonics?
A. Sonar confirmed the presence of mid-ocean ridges.
B. Fossils of plants found in South America differ from fossils found
in Africa.
C. Each continent has its own unique mountain formations.
D. Seismic data showed that most earthquakes and volcanoes occur
where crust is being formed or destroyed.

iron would move it is magnetic there is a mag field around the current in the wire

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

false

hope this : d