The colonies of New York, Pennsylvania, New Jersey, and Delaware were all part of which colonial region?

Describe how you could move the flashlight above the paper to

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.