Which religion was introduced to china by the silk road?

How can studying economics us make better choices about how to use scare resources

Will give brainliest asaapppppppppppp plz im in a major hurry to finish which of these pairs of objects exerts the greatest gravitational force on each other? object 1 and object 3 object 4 and object 3 object 1 and object 4 object 4 and object 2

Many areas of latin america have poor which includes things such as sewers, transportation, electricity, etc