On Mercator's maps, the far northern and southern polar regions are______________.

The earth spins on its axis and _________23 hours, 56 minutes and 4.09 seconds for one complete rotation.

__________ photosynthesis were to stop, life would disappear from the planet Earth relatively quickly.

Antonio Gaudi, architect of Barcelona's Holy Family Church, died before _________ the structure.

Sanford Meisner .......... the Neighborhood Playhouse in New York City.

Experiments in the sonic imaging of moving objects .......... in both the United States and Europe well before the Second World War.

Employers often require that candidates have not only a degree, ________________.