Training in Ethiopia is helpful to a runner. Which statement correctly explains why it is helpful?
A) Much of Ethiopia is far above sea level. This makes a runner’s body work harder.
B) Parts of Ethiopia have large farms. This gives runners a chance to care for animals.
C) Much of Ethiopia is very hot and dry. This makes a runner need to drink more water.
D) Parts of Ethiopia are like a rain forest. This keeps a runner’s body cool and damp.
The correct answer is A) Much of Ethiopia is far above sea level. This makes a runner’s body work harder.
### Explanation:
Training at high altitude, like in many areas of Ethiopia, forces the body to adapt to lower oxygen levels. This adaptation improves the efficiency of oxygen use in the body, which can enhance a runner’s performance when competing at lower altitudes. This is why Ethiopian runners are often known for their endurance and speed!
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