Life at the Top

Front

Endurance. Because of her "endurance", Amy was able to finish the five-mile race.

Back

strength

Front

Excel: Steve believes he will "excel" in science because he loves everything about the subject.

Back

succeed

Front

Capacity: Greater lung "capacity" allows runners to take in more oxygen.

Back

ability to contain

Front

motivation. The promise of a reward gave Shari "motivation" to finish her project early.

Back

reason

Front

Drive in the sentence: Her drive to be the best player on the team helped her get to morning practices.

Back

ambition

Front

Where is the Great Rift Valley?

Back

Africa

Front

Lornah Kiplagat founded the High Altitude Training Center to —

Back

provide training for future runners

Front

Why is it harder at first to breathe at high altitudes?

Back

The air pressure is lower.

Front

What is one way that training at high altitudes helps runners?

Back

Runners' lungs become more efficient.

Front

What best explains the Kalenjin runners' greatness other than training at a high altitude?

Back

drive and determination