In order to be accepted, a theory, such as evolution, must be

testable
observable
testable and observable
neither testable nor observable

Which event in the history of the americans with disabilities act is an example of a conflict between different levels and branches of government?

The people of are overwhelmingly arab but are divided by religion.

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?