It causes health problems for people and animals and it's harmful to plants and wildlife in which the air, water and earth is effected.
The answer is D. Ecosystems experience change through human activity and natural events
Heyo, I believe that the original discoverers of New Zealand's were the B. Polynesians.
Option b. 100+
Some birds are nomadic in winter, others spend the colder months in the southwestern part of the continent or in the Mediterranean region. Geographical conditions determine several main routes. The Alps are an important barrier to migratory birds. About 150 travel westward and southwestward; others travel southeastward.
