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Q: .
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  • A. Jupiter
  • B. Mars
  • C. Neptune
  • D. Pluto
Correct Answer: Option B - Mars is known as the red planet. Mars appears slightly reddish and is also called the red planet. The iron minerals in the Martian soil oxidize, or rust, causing the soil and atmosphere to look red. Hence Mars is known as the red planet. It's the second smallest planet of solar system, being the fourth from sun.
B. Mars is known as the red planet. Mars appears slightly reddish and is also called the red planet. The iron minerals in the Martian soil oxidize, or rust, causing the soil and atmosphere to look red. Hence Mars is known as the red planet. It's the second smallest planet of solar system, being the fourth from sun.

Explanations:

Mars is known as the red planet. Mars appears slightly reddish and is also called the red planet. The iron minerals in the Martian soil oxidize, or rust, causing the soil and atmosphere to look red. Hence Mars is known as the red planet. It's the second smallest planet of solar system, being the fourth from sun.