Hey there,
<span>CUBA has the largest reserves of OIL and NATURAL GAS of any island in the Caribbean.
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Hope this helps :))
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Answer:
The color is considered dark if the rock appears as a dark gray to black (pyroxenes, the amphibole Hornblende, the mostly Ca-plagioclases near Anorthite, and Biotite mica. Density is a property that is proportional to the composition of the rock. The higher the amount of silica (felsic) the less dense the rock will be.
Explanation:
Hope this helped :)
 
        
             
        
        
        
Answer:
to enact a bill of rightsExplanation:
 
        
                    
             
        
        
        
Answer:
hand a rock to another person and do that in a line what makes it effecent is the fact that one person doesn't have to bring the rocks back and forth on there own 
Explanation:
it makes it go quicker