- А A — lost around 270 billion tonnes of ice a year on average ✓
- Б B — scientists can be much more certain about what's going on
- В C — have been retreating at an accelerating pace since the industrial era
- Г D — lock up enough water to raise global sea-levels by 32cm
- Д E — gaining about as much ice through snowfall as they lose
- G — according to the most comprehensive scientific analysis to date
- H — depend on how much humanity continues to warm the planet