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:
- Even with this predictability, tidal energy remains a small part of the renewable mix today, largely because the underwater equipment is expensive to install and maintain in such a corrosive marine environment.
- Unlike wind or solar power, this process offers a notable advantage in that tidal movements can be predicted years in advance, giving grid operators a dependable output schedule rather than an intermittent guess.
- As the tide surges past, it spins the turbine blades much like wind turns a windmill, and this rotation drives a generator that converts the motion into electricity.
- Engineers have learned to harness this rhythmic movement by installing underwater turbines in narrow channels where the tidal flow is strongest.
- Twice a day, the gravitational pull of the moon and sun causes coastal waters to rise and fall in a predictable rhythm known as the tide.