Judy Levin Books
Life at a High Altitude (Life in Extreme Environments)
Defines high altitudes, where air is thinner, cooler, and drier, and indicates how plants, animals, and humans learn to survive in this extreme environment.
Read MoreDefines high altitudes, where air is thinner, cooler, and drier, and indicates how plants, animals, and humans learn to survive in this extreme environment.
Read More