Answer:
2. the line separating Australian animal species from non-Australian species
Explanation:
The Wallace line is an animal boundary line drawn by Alfred Wallace that separates Australian fauna species from non-Australian fauna species. It's a transitional zone between Austrialia and the Asia continent. The animals found in south East Asia is so much different from those found in Australia, hence the line drawn. The line is just one of the many biogeographical borders in the world separating geographical regions with not so similar group of plants and animals.
Environmental protection is the third pillar and to many, the primary concern of the future of humanity. It defines how we should study and protect ecosystems, air quality, integrity and sustainability of our resources and focusing on the elements that place stress on the environment
The movement that led to the independence of Bangladesh was very similar to the movement that led to the formation of Pakistan. This is because the separation of these nations can be traced back to the independence of India. When India became independent in 1947, Pakistan separated from the new nation. Similarly, when Pakistan gained its independence from India, Bangladesh separated from the new country. Therefore, these two processes can be seen as subsequent and parallel.
B. The rivers were used to sustain life by growing crops and food and having an unlimited drinking supply.