What did the Romans do to run the empire more efficiently?

Which process collects sample soils from particular areas of a site? a.) repetitive sampling b.) restorative sampling c.) random sampling d.) representative sampling

Me answer as many as you can what percentage more of water is used to provide us with electricity versus for irrigation? do we use more freshwater in our homes or to provide us with electricity?

What type of coastline is commonly found along the western side of the america’s