Q. Which of the following can be threats to the biodiversity of a geographical area?
1. Global warming
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism
Select the correct answer using the codes given below:

[A] 1, 2 and 3 only

[B] 2 and 3 only

[C] 1 and 4 only

[D] 1, 2, 3 and 4

Answer: A