Question

Anyon give me answers​

Answer 1

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$\red{(1)}$

⭐A constellation is a group of stars that make an imaginary shape in the night sky.

$\red{Difference}$

⭐A constellation is group of stars that forms a shape and the shape is visible by naked eyes.

⭐A star is a single celestial body that emmits its own light.

$\red{(2)}$

⭐A real image is formed when the rays of light after reflection or refraction actually meet at some point .

⭐A virtual image is formed when the rays of light after reflection or refraction appear to meet at a point.

$\red{(3)}$

⭐A lightning rod or lightning conductor is a metal rod mounted on a structure and intended to protect the structure from a lightning strike.

$\red{(4)}$

⭐Rolling friction and sliding friction are caused by the rubbing of the surfaces together.

⭐The surface of the floor is rubbing the surface of the moving body. This rubbing results to heat produce during the process and the motion of the body is impeded.

⭐The force that impedes motion is what we call friction.

$\huge\mathfrak{Thank\:You}$☺

Answer 2

Answer:

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1)

⭐A constellation is a group of stars that make an imaginary shape in the night sky.

\red{Difference}Difference

⭐A constellation is group of stars that forms a shape and the shape is visible by naked eyes.

⭐A star is a single celestial body that emmits its own light.

⭐A real image is formed when the rays of light after reflection or refraction actually meet at some point .

⭐A virtual image is formed when the rays of light after reflection or refraction appear to meet at a point.

⭐A lightning rod or lightning conductor is a metal rod mounted on a structure and intended to protect the structure from a lightning strike.

⭐Rolling friction and sliding friction are caused by the rubbing of the surfaces together.

⭐The surface of the floor is rubbing the surface of the moving body. This rubbing results to heat produce during the process and the motion of the body is impeded.

⭐The force that impedes motion is what we call friction.