1) The scientists go to the scientific research station today. 2) They worry about the climate changes.
3) The temperature drops and the snow melts.
4) They have a good time swimming in the lake.
5) It is chilly in March.
6) The museum organizes ecological conferences for the guests.
7) It is exciting to learn about the African wildlife.
8) There are more than a hundred rainfalls each year in this part of th
9) The weather is perfect for climbing the mountains.
10) There are no sunny days during winter.
Make the sentences negative and interrogative.

1) Do the scientists go to the scientific research station today?
- Yes, the scientists go to the scientific research station today.

2) Do they worry about the climate changes?
- Yes, they worry about the climate changes.

3) Does the temperature drop and the snow melt?
- Yes, the temperature drops and the snow melts.

4) Do they have a good time swimming in the lake?
- Yes, they have a good time swimming in the lake.

5) Is it chilly in March?
- Yes, it is chilly in March.

6) Does the museum organize ecological conferences for the guests?
- Yes, the museum organizes ecological conferences for the guests.

7) Is it exciting to learn about the African wildlife?
- Yes, it is exciting to learn about the African wildlife.

8) Are there more than a hundred rainfalls each year in this part of the world?
- Yes, there are more than a hundred rainfalls each year in this part of the world.

9) Is the weather perfect for climbing the mountains?
- Yes, the weather is perfect for climbing the mountains.

10) Are there any sunny days during winter?
- No, there are no sunny days during winter.