2. We reviewed some ________ this morning about the consequences of global warming.

3. Scientists _______ that by the year 2050, we will reach a point of no return regarding the environment.

4. If climate change continues, we will have to find some _______ against its devastating effects.

5. We are already experiencing some of the ________ of global warming.

6. We will face some _______ changes in our lives due to the rising levels of the water. Some cities will even disappear!

7. The _______ situation is going to get even worse in the future if we do not do something about it.

8. Do you think that ________ lakes are as positive for the environment as the natural ones?

9) When I was explaining the new rules, I saw that a group of people were not ____ my words ______.

10) If you really want to _____ your family from this virus, you have to stay at home.

11) Some ______ warn us from the future events we will experience this century.

12) Nowadays, food is being ______ modified to make it better for us, but I have my questions about this process.

13) We have been ______ every single step. This project depends on how well we register all the information.

14) The ______ we are looking for shows the entrance of the labyrinth and it looks like a star.

15) The weather conditions have _____ changed over the course of the years.

16) In the middle of the surfing competition, strong _____ pulled one of the competitors out to sea.