Worldwide, the total number of land animals killed for food every hour is ______.
1. 8 thousand animals
2. 500 thousand animals
3. 1 million animals
4. 8 million animals
![Worldwide the total number of land animals killed for food every hour is 1 8 thousand animals 2 500 thousand animals 3 1 million animals 4 8 million animals class=](https://us-static.z-dn.net/files/d1b/fb710209acb94be4eba9cf05bed1fc78.jpg)