WONDER #2133: Will Humans Become Extinct?

Question 1 of 3

Life on Earth has nearly been wiped out how many times in the past?

1. 10
2. 1
3. 2
4. 5

Question 2 of 3

Mammalian species usually survive about how many years before going extinct?

1. 100
2. 1,000
3. 100,000
4. 1 million

Question 3 of 3

Which of the following is NOT a likely cause of human extinction?

1. nuclear war
2. meteoroid impact
3. global pandemic
4. reality television

Check your answers online at https://wonderopolis.org/index.php/wonder/will-humans-become-extinct.