alleryWhy are animals still useful for transport?
AThey need no human care
BThey outrun every aircraft
CThey never need food or rest
DThey cross rough terrain
Answer & Solution
Correct answer: D. They cross rough terrain
1. Animal-powered transport uses working animals to carry people and goods.
2. Animals remain useful in rough terrain not readily reached by automotive transport.
3. They are slower than aircraft and do need care.
_Source: Wikipedia, Transport, Animal-powered_
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