Gap Fill - Level 0


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Biologists have increased the of crops by 20 per cent. They changed plants use photosynthesis. This is plants use sunlight to change dioxide into . The plants use the from sunlight . A professor said he is changing like rice, , maize and soybean.

The changed how plants keep in the Sun. Plants change energy into heat they get . But, they do this when it is . The scientists changed so plants can use more energy to grow. If crops can give 20 per cent more , it will help have more food in the .

Try the Level 1 gap fill.

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