Scientific work is（ ）from art by its necessary connection with the idea of progress.

Although he could give her（ ） any practical help would almost certainly be beyond him.

Their actions （ ）the stability and security of the region.

Please register for the number of days you wish to stay and pay the（ ）price.

Sleep（ ）can result in mental disorders.

David knelt, cupped his hands and （ ）river water on to his face.

There is considerable（ ） the slow pace of political change.

I am optimistic that a new government will be（ ） the environment.

Marty is very （ ）about what he eats and what he wears.

This work is physically （ ） and emotionally draining.