Human population reached the milestone of 1 billion in which year?
Answer & explanation
Correct answer: option 4
The correct answer is Option 4: 1830
Note: This question is from Pre rationalised NCERT.
Human population reached the milestone of 1 billion in which year?
Correct answer: option 4
The correct answer is Option 4: 1830
Note: This question is from Pre rationalised NCERT.