Across
- 2. animals, birds, insects, etc. that are wild and live in a natural environment
- 5. a type of tourism that is not bad for the environment and helps it
- 7. a situation when air, water, etc. are very dirty
Down
- 1. to make something smaller or less in size, amount, or price
- 3. the powerful effect that something has on somebody/something
- 4. the relationship between the plants, animals, and the environment in a particular area
- 6. tourism a type of tourism where big groups of people travel to popular sights
- 7. to put seeds in the ground so that they grow in the future
