Допоможіть будь ласка!
Make Passive Voice.
1. People cut down
trees.
2. Light pollution
changes nighttime visibility of natural features.

1. People cut down trees.

Trees are cut down by people

2. Light pollution changes nighttime visibility of natural features.

Nighttime visibility of natural features is changed with light pollution

Оба предложения в Present Simple, соответственно переделаны в Present Simple Passive:

am/is/are + V3/ed

V-verb(дієслово)