Which of the following events do you think will DEFINITELY happen in 100 years time?
- Bitcoin rise above $ 1 million USD globally.
- An ice age lasting at least 10 years time.
- Disappearance of Homosexualism.
- Global CO2 average concentration rise above 1000 ppm.
- Steem rise above $100 USD globally
- At least one human lands on Mars
- Second landing on Moon
- Average human lifespan rise above 100 years
- You'll be dead
- China becomes world's largest economy in terms of having the highest GDP.
Answer the question at dpoll.xyz.