We must use the scientific method and the knowledge of the environment in order to work as an environmental scientist.
Explanation:
An environmental scientist works based on the fact that it has the knowledge of the environment. An environmental scientist study about the effect of environment on plants and animals and vice versa.
The American Dream did come true for immigrants in New York because they were able to get jobs and their lives improved. The American Dream did come true for immigrants because they were able to escape the problems in their homelands and have a new start.
