A molted external skeleton. 
        
                    
             
        
        
        
A carrier of a genetic disorder who does not show symptoms is most likely to be heterozygous for the trait and able to transmit it to offspring. This particular individual has inherited a recessive allele for a genetic trait or mutation but does not display that trait or show symptoms of the disease. They are referred to as genetic carriers. The chance of two carriers having an offspring with the disease or genetic disorder is 25%
        
             
        
        
        
Answer:
For global feed grains, the news and the fundamentals would increase a  little better. Global demand is growing by about 1.5%. The U.S. is the dominant nation in the world in corn production with about 28% of the world’s production and nearly 50% of the global trade. Global ending stocks have been moving lower for the last three years.
Explanation:
 
        
             
        
        
        
Answer:
The youngest crust (shown in red) is near mid ocean ridges and spreading zones. All three rock types in the earth's crust—igneous, sedimentary, and metamorphic—can also be recycled back to their original molten magma form. This process occurs when oceanic crust is pushed back into the mantle at subduction zones.
 
        
             
        
        
        
C. Student B and D
Hope that helps!