Why is a model made to be simpler than the thing that it represents?

Which group directly benefits from subsidies? exporters sellers producers importers

The array of significant individuals who serve as sources of social support is called the social

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change