A). Archaea Hope it helps you
Number a is a correct one
Explanation:
Magnet: It has two poles: South pole and North pole.
Magnetic field lines are stronger near the poles of the magnet.
Same poles repel each other. There is a magnetic force of repulsion between the same poles. North- North poles repel each other.
Unlike poles attract each other. There is magnetic force of attraction between the opposite poles. South- North poles attract each other.
Mono poles cannot exist.
From the given statements, the magnetic poles are described by:
A north pole must exist with a south pole.
Two south poles placed near each other will repel each other.
A north pole and a south pole placed near each other will attract each other.
Use of lubricant
Use of ball bearers
Use of streamlined body
Use of graphite
Answer: Sí, toda la energía cinética se puede perder si las dos masas se detienen debido a la colisión.
Explanation:
