<u>Answer:</u> 
Harsh weather conditions and vast distances pose a great challenge for the transportation of petroleum products and other goods in Russia.
<u>Explanation</u><u>:</u> 
- Russia is a country with the largest east-west stretch in the world. The major cities in Russia are far apart on great distances from each other. 
- Above all, Russia majorly lies between the higher latitudes which makes it a temperate region. 
- The temperatures in Russia fall down up to -30°C in winters making it tough to carry out the transportation of petroleum products and other goods.
 
        
             
        
        
        
Answer:
C
Explanation:
moving away from outside walls Hope's it's helps 
 
        
                    
             
        
        
        
Answer:
A refinery is a production facility composed of a group of chemical engineering unit processes and unit operations refining certain materials or converting raw material into products of value.
Fuel gas.
Liquefied Petroleum Gas (LPG)
Petrol / Gasoline.
Jet Fuel / Kerosene.
Diesel.
Explanation:
I did the assignment and these worked just fine. Have a good day and I hope this helped.
 
        
             
        
        
        
I think you forgot to give the options along with the question. i am answering the question based on my knowledge and research. "Panama's sole control over the Panama Canal" is <span>one of the main factors attributed to Panama's booming economy. I hope that this is the answer that has come to your help.</span>
        
             
        
        
        
Biochemical limestone is when the calcium carbonate is locked into the fossil shells and skeletons of marine organisms. 
But chemical limestone is when  the calcium carbonate is in the form of calcite mineral crystals.
Hope it helps!