1.C, Coal
The Persian Gulf, the Gulf of Mexico, and the North Sea are all known for their reserves of what ocean resource?
2.A, Oil
Which ocean resources are second in economic value to oil?
3.A, Sand and gravel 100%
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here are my awnsers hope it helps you...
 
        
                    
             
        
        
        
4 is correct. In a wide expanse of space, gravity drew dust and gas together to create the solar system. The sun formed first from the vast material.
        
                    
             
        
        
        
Answer:
 A monohybrid cross is defined as the cross happening in the F1 generation offspring of parents differing in one trait only. A dihybrid cross is a cross happens F1 generation offspring of differing in two traits.
Explanation:
and the tow words have a prefix and mono means one and the dihy means two. a hydrate containing two molecules of water.
 
        
             
        
        
        
Answer:
allele - different forms or versions of genes
chromosomes - structures that carry genetic information (passed from biological parents to offspring)
homologous - similar in structure
locus - a particular site or location
Explanation: