Read the following introductory paragraph and determine which sentence is the transition:

1. Giant pandas are one of the most recognizable animals in the world. 2. Although the panda's distinctive black eyes, rounded ears, fuzzy white face, and smile-shaped mouth make it a popular figure, it is endangered in the wild. 3. Human practices are threatening to move this beloved animal into extinction. 4. However, by curbing deforestation, and enforcing laws against poaching, the giant panda can thrive in the wild despite an increasing human population. 5. By working to preserve the existence of the giant panda, we are ensuring that future generations will delight in this beautiful creature as well.

4
1
3
2