Преобразуйте сложноподчиненные предложения в простое с герундиальным оборотом. Предложения переведите.
Образец: When we convert water into ice we do not change its composition. – On (in) converting water into ice we do not change its composition.
1. When minute ice crystals have formed they grow rapidly by deposition from vapour.
2. When we subject air to very great pressure and cooling it is possible to transform it to the liquid state.
3. When sea salts burst the air bubbles they enter the atmosphere.