Help.? medal & fan.

Put these energy technologies in chronological order based on when they became important to industry.

Potential Matches:
1 : Oil

2 : Nuclear

3 : Coal

4 : Steam

Answer
: 1

: 2

: 3

: 4

Question

Help.? medal & fan.


Put these energy technologies in chronological order based on when they became important to industry.

 
 

Potential Matches:  
1 : Oil
 
2 : Nuclear
 
3 : Coal
 
4 : Steam
 
 
    Answer  
     : 1
  
     : 2
  
     : 3
  
     : 4

anonymous · Answer

i think its 2,3,1,4 but im not positive :)

dopeeaf · Answer

Okay , thanks(:

anonymous · Answer

np anytime could you help me with my question?