oxygen-deficient

the climbers faced an oxygen-deficient environment at the summit.

a sudden drop in oxygen levels created an oxygen-deficient atmosphere.

the mine was found to be severely oxygen-deficient, posing a safety risk.

rescuers searched for survivors in the oxygen-deficient conditions.

the deep sea is often an oxygen-deficient zone.

they used specialized equipment to work in the oxygen-deficient space.

the volcanic crater had an oxygen-deficient composition.

an oxygen-deficient condition can quickly lead to unconsciousness.

the divers trained to handle oxygen-deficient situations effectively.

the experiment required creating an oxygen-deficient chamber.

monitoring oxygen levels is crucial in oxygen-deficient environments.