Answer: 1920- Hair Dryer
1920- First radio station
1920- The Thompson Sub-Machine Gun
1920- The Band Aid
1921- First robot built
1923- Traffic Signal
1925- Mechanical Television
1926- Liquid Fueled Rockets
1928- Penicillin
1929- Car radio
Read more on Brainly.com - brainly.com/question/547926#readmore
Explanation:
Wheres the following ..................
Answer:
The field lines bend away from the second south pole.
Explanation:
Magnetic line of force are forces acting on a bar magnet in the magnetic field. It specifies the direction in which a magnet tends to move when placed in the field.
For bar magnets with south poles, the magnetic line of force tends to move away from the south poles of both magnets thereby creating a force of opposition between them since like poles of a magnet repels each other.
Because the government were not good.