Cruzadinha

Palavras horizontais

1. Harmful changes that occur in the environment. (9)
3. Decreasing the amount of everything that can become waste. (9)
5. Resolution of a difficulty. (8)
7. Set of laws that regulate the life of a country. (11)

Palavras verticais

2. To exchange, to substitute one thing for another. (6)
4. Group of individuals who share some characteristics. (7)
6. Collision or collision between two or more bodies (6)
8. Space where living beings live, whether natural or artificial. (11)