Which of the following adaptations alpine animals survive the cold winter?
a. large lungs
b. higher levels of hemoglobin
c. hibernation
d. large legs, ears, and tails

Alpine animals are found in mountain ranges around the world like the Andes, Alps and Rocky Mountains. Since they are found in high altitudes they are exposed to the very cold temperature and the ultraviolet wavelengths of the sun. Most alpine animals have extra layers of fat and fur to protect them from the harsh environment. They also have shorter limbs (e.g. legs, ears, tail) to prevent heat loss.  

In order to adapt when the temperature is very low, alpine animals hibernate and migrate to warmer areas of the mountains.  

The answer is b, as with an inference you make a statement with no evidence