Change in light hope this helps
Answer:
Plants, animals and other organisms that live in deserts have evolved to survive harsh conditions, scarce water and barren landscapes. ... This desertification is exacerbated by human exploitation of ecosystems that border deserts, causing land degradation, soil erosion and sterility, and a loss of biodiversity.Explanation:
Explanation:
the second one. the crests of the soundwave are farther apart
