Choose a, b or c to complete the sentences.

1. __ volcanoes are very old and dead.
A. Dormant
B. Active
C. Extinct

2. Experts study volcanoes and try to __ eruptions.
A. predict
B. save
C. go into

3. Ash from volcanoes makes the ground good for __.
A. cabbages
B. fireworks
C. farming

4. People use heat from volcanoes to warm their __.
A. snow
B. homes
C. roads

5. Earth _ the only planet with volcanoes.
A. is not
B. is
C. is possibly

6. The principle volcanic gas (in teems of quantity) is:
A. carbon dioxide
B. nitrogen dioxide
C. sulfur dioxide
D. steam (H2O)

Please help me po, kailangan na ko po ito, thank you in advance ^ω^​