Which of the following statements is/are correct about Dark Matter: 1. Dark matter does not interact with any electromagnetic radiation. 2. Dark matter interacts with ordinary matter through gravity only. 3. The force between dark matter and ordinary matter is repulsive. Codes:

• A. 1 only.
• B. 1 & 2only.
• C. 2 & 3 only.
• D. 1, 2 & 3.