Mas alta que hope this helps
Ecotourism is a form of tourism involving visiting fragile, pristine, and relatively undisturbed natural areas.
Answer:
las clases difíciles
Explanation:
Add an <em>-s</em> to <em>clase</em>, and add an <em>-es</em> to <em>difícil</em> because adjectives have to match the plurality of the word they describe.
