science
posted by pam .
To run efficiently and productively, a fusion reaction must operate at temperatures greater than __ degrees C.
A) 100
B) 2,000
C) 1,000,000
D) 100,000,000
E) 350,000,000
d

science 
PsyDAG
With both posts, the information was gained by searching Google:
To overcome this repulsion, the nuclei must be heated to a temperature of about 50 million degrees. At this temperature most nuclei are moving fast enough so that they can collide and produce fusion. Yes.
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
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