There are nearly ______ billion humans on planet Earth.
Tap an option to check your answer.
✅ Correct answer: D. 7.6
A: 6
B: 6.5
C: 7
D: 7.6
Correct Answer: 7.6
10 random questions, instant feedback, earn XP.
Tap an option to check your answer.
✅ Correct answer: D. 7.6
A: 6
B: 6.5
C: 7
D: 7.6
Correct Answer: 7.6
10 random questions, instant feedback, earn XP.