, explorers today are no longer just map-makers; they are scientists and storytellers who use technology to bridge the gap between remote wilderness and the global public. Through their work, exploration serves as the primary catalyst for protecting our planet’s disappearing resources. First, exploration provides the scientific data

by National Geographic Learning. Below, you will find a breakdown of the units, key vocabulary, and sample answer keys to help you master the material.

: Uses authentic National Geographic articles, photos, and videos to motivate learners.