Biology - Photosynthesis and Respiration - Factors affecting photosynthesis - Greenhouse Puzzle

Q1: 'A farmer wants to grow tomatoes faster. Which would help MOST?' (More light / More soil / More pots). Q2: 'On a cloudy day, photosynthesis is ___' (Slower - less light energy / Faster / The same). Q3: 'Would pumping extra CO₂ into a greenhouse help plants grow?' (Yes - more raw material! / No -