Solución ERG.10.2.1.

Solución:

If we had a rope, we would climb the summit.
If the glacier were stable, we would cross it safely.
If we didn't have a rope, we wouldn't climb the summit.
If the rock weren't solid, we wouldn't rest there.
Would we climb the summit if we had a rope?
Would we use the glacier if it were larger?
What would we do if the rock were warmer?
Where would we set up camp if the glacier were stable?
How would we climb faster if the weather were better?
When would we take breaks if the peak were clear?