PTE Reading
Re-order Paragraphs
1 questions. Answer them all, then submit once for your section score.
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1.
Re-order Paragraphs
Arrange the sentences into the correct order.
Put the sentences in the correct order:
- Yet in recent years, growing concern over the environmental cost of synthetic dye production has prompted a small but steady revival of interest in traditional plant-based methods.
- The discovery triggered a rapid shift toward synthetic dyes, which were cheaper, more consistent, and available in colors that natural sources could never produce.
- This painstaking process was upended in the mid-nineteenth century when a chemist accidentally synthesized a vivid purple dye from coal tar derivatives.
- Producing a single batch of deep red dye, for instance, could require crushing thousands of dried insects and boiling the residue for hours to concentrate the pigment.
- For most of human history, textile dyes were extracted from plants, insects, and minerals, each source yielding a distinct and often labor-intensive color.