Multiple choice

Consider the following statements:

  1. Lightning strikes and produces ozone and strengthens the ozone layer of the atmosphere.
  2. Mars is red because its surface contains a lot of iron oxide or rust.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1 is correct. Yes, lightning produces ozone gas. During lightning, 99% of the gas in contact with sun's corona is converted into ozone. Statement 2 is also correct. Mars is red because its surface contains a lot of iron oxide or rust.

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