Multiple Choice, Multiple Answers
1 questions. Answer them all, then submit once for your section score.
Read the passage and select ALL correct options. Wrong selections lose points.
Greenhouse tomato production allows growers to supply fresh fruit year-round, regardless of outdoor frost or heatwaves. Inside a controlled structure, temperature, humidity, and carbon dioxide levels can all be adjusted to keep plants in near-ideal conditions, which typically boosts yield per square metre far above open-field farming. Many operations now use hydroponic systems, feeding roots directly with nutrient-rich water instead of soil, reducing disease risk and water waste through recirculation. Pollination, normally handled by wind or insects outdoors, is often managed indoors using bumblebee hives introduced specifically for the purpose. However, the energy required to heat large glasshouses in cold climates can be substantial, and some critics note that the carbon footprint of heated winter production may rival or exceed that of tomatoes shipped from warmer regions.