THE ACT OF GETTING ACCUSTOMED TO A NEW CLIMATE OR ENVIRONMENT .

POISE ; SELF ASSURANCE

REQUIRING MUCH EFFORT ; DIFFICULT

COMMONPLACE; TRITE

A DEEP CRACK OR SPLIT IN A GLACIER

A WAY OF BEHAVING; MANNER

SOMETHING THAR IS CERTAIN TO HAPPEN

IMPOSSIBLE TO OVERCOME

OF THE HIGHEST IMPORTANCE

TO PASS BEYOND THE LIMITS OF