Answer:
true
Explanation:
because they reuse that water like they filter it
 
        
                    
             
        
        
        
Answer:
Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system.It is produced when coal is heated strongly in the absence of air. ... Facilities where the gas was produced were often known as a manufactured gas plant (MGP) or a gasworks.
Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal. It has both medical and industrial uses. Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis (dandruff). It may be used in combination with ultraviolet light therapy.
: a bituminous coal suitable for making into coke.
 
        
             
        
        
        
Answer:
learned response
Explanation:
learned response is the process by which stimuli lose their ability to evoke learned responses because the events that had followed the stimuli no longer occur.
 
        
             
        
        
        
Answer:
First generation
Second generation
Third generation
Fourth generation
Fifth generation
Explanation:
First generation: the first generation is "vacuum tubes"
Second generation: the second generation is transistors
Third generation: the third generation is Integrated circuit
Fourth generation: the fourth generation is micro processor
Fifth generation: the fifth generation is artificial intelligence.