Answer:
Trade promotes economic growth, efficiency, technological progress, and what ultimately matters the most, consumer welfare. By lowering prices and increasing product variety available to consumers, trade especially benefits middle- and lower-income households.
Explanation:
I would think that it helps them get more products 
 
        
             
        
        
        
True. Historic texts can be trusted to help in the location of archaeological sites.
Archaeological sites
An archaeological site is a location that has been or may be explored using the discipline of archaeology and preserves traces of previous activity. It forms a part of the archaeological record. Sites can include those with few or no apparent remnants above ground as well as ones with standing buildings and other structures.
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their relative densities
Explanation:
The relative densities of the earth's materials can be inferred by the arrangement of the earth layers. 
Compositionally, the earth is made up of three distinct layers; core, mantle and the crust. 
- The crust is the thin outermost layer of the earth. 
- The mantle straddles the zone between the core and crust. 
- The core is the innermost layer of the earth. 
During the formation of the earth, materials differentiated into different layers based on density. 
The densest materials settled in the core and they are made up of iron and nickel metals. 
The lightest materials of silicate affinity partitioned to the crust. 
The mantle contained materials whose density straddles between the crust and core. 
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Answer:
A prime number is a whole number greater than one who's only factors are one and itself. The prime symbol is usually used to A) denote two distinct but similar objects or B) to denote the derivative. It could be described as a seperator.