How was how was president roosevelt different from the presidents who came before him

How can changes in technology or consumer demand make it difficult for people to get jobs? by changing the number or kind of jobs available by making it possible for some people to work fewer hours by making it difficult for people to buy what they want by creating a demand for things that are not available

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

How is the uk’s government is solving the air pollution problem?