It's from the Hawaiian language and means the words "shiny, glassy surface, and smooth". The type of lava you want to know is Pahoehoe lava. Lava tubes are usually floored with it. 
Hope this helps! :-)
        
             
        
        
        
The answer to that question is true
        
             
        
        
        
18 g
Explanation:
Remember that 1g is equivalent to 1 ml;
1g = 1 mL
100 g = 100 mL
Therefore in an 18% NaOH solution,  for every 100 mL, there is 18 g of dissolved NaOH. This is how we derive the percentage solution;
18 g / 100 g = 18% 
 
        
             
        
        
        
Explanation:
the total mass of all the organisms in a representative area of the ecosystem C. the total mass of all the organisms in the ecosystem D. the number of organisms in each trophic level of the food web. leticiasilvacos is waiting for your help.
 
        
             
        
        
        
I believe the answer you were looking for is incineration.