Which of the following statements are true?a. Recent studies have shown that convergence of the Indian plate and Asian plate has caused a crustal shortening of about 500 km in the Himalayan region.b. There has also been seafloor spreading along the oceanic ridge in the Indian Ocean.

• A. a and b are correct
• B. a is correct and b is incorrect
• C. a is incorrect and b is correct
• D. a and b are incorrect