The oceans have also been rising simply because warmer water expands and takes up more space than cooler water.

Each year the numbers rise, presumably because more animals are learning where the crossings are.

Expenses also will rise because retirements, leaves and other departures have been suspended.

Creeping nearer he saw that the horse could not rise because one of its legs was broken.

But imports are unlikely to rise because Soviet oil and platinum already come in with normal tariffs.

The death toll began to rise in 1992 because the nature of conflict altered sharply.

Food prices are expected to rise dramatically because the resulting supply shortfall.

Living standards rise because the nation is forced to give up less food, chemicals and computers in exchange for foreign oil.

There is a self-perpetuating momentum for the numbers to keep rising because all parties to the arrangement benefit in some way.

But it lags rapidly rising markets because the option caps the profit potential.