Track 15

Track 15

1 Sentence a: In freezing temperatures, water turns into ice and expands.

Sentence b: Metal, on the other hand, contracts when cold.

2 Sentence a: It is highly likely that glaciers will continue to melt.

Sentence b: It is unlikely that they will melt as quickly as some climate experts had predicted.

3 Sentence a: Previous predictions were based on inaccurate data.

Sentence b: More accurate information is now available.

4 Sentence a: Some climate scientists may have overestimated the rate of global warming.

Sentence b: Others may have underestimated the impact of climate change.