The main idea of this paragraph is A
Answer:
magnets are used in refrigerator to keep the door closed.
it is used in tv and computer screen.
magnets are also used in electrical bell.All magnets have north and south poles. Opposite poles are attracted to each other, while the same poles repel each other. When you rub a piece of iron along a magnet, the north-seeking poles of the atoms in the iron line up in the same direction. The force generated by the aligned atoms creates a magnetic field.Magnets are important because of their properties A particle moving in a magnetic field feels a force proportional to his speed, and to the field, so you can use a magnet that produce a field in a certain way and shape, in order to catch a particle in motion.
i hope this is a clear answer i answered the first question in 10 lines
hope it helps :)
Answer:
x −2 −1 1 2
y −4 −2 2 4
Explanation:
→ 
→
→
→
This Table All has the same value of K
Hence, 3rd one also known as Table C represent a proportional relationship.
[RevyBreeze]
Answer:
Changes in the pressure create the flow of the air to move up and down in the ear and thus create popping sound.
Explanation:
- The ear-popping is caused by the phenomenon of the opening of the Eustachian tube when one swallows and it might be automatically when you blow our nose or are setting in an airplane and this sound is created when the air enters the middle ear through the tube.
Answer:
The functions of the governor-general include appointing ministers, judges, and ambassadors; giving royal assent to legislation passed by parliament; issuing writs for election; and bestowing Australian honors.
Explanation:
