1. What is the SI unit of force? 2. Which gas do plants absorb during photosynthesis? 3. What is the SI unit of electric current? (Q41) 4. Which blood cells carry oxygen? (Q58) 5. Which metal is liquid at room temperature? (Q99) 6. Which blood cells carry oxygen? (Q48) 7. Which planet is known as the Red Planet? (Q17) 8. Which planet is known as the Red Planet? (Q97) 9. Which metal is liquid at room temperature? (Q29) 10. Which metal is liquid at room temperature? (Q89)