Question

question 15 (1 point)
fusion reactors arent yet developed. the main reason why is
select one:
there isnt a steady source of fuel.
the technology is too difficult.
there is no interest in these.
there isnt a good location for one.

Explanation:

Fusion requires extreme high temperatures and pressures to overcome atomic repulsion, and current technology cannot sustain and contain these conditions economically or reliably for large-scale power production. Fuel sources like deuterium are abundant, there is significant scientific/industrial interest, and location is not a barrier, making technological difficulty the core issue.

Answer:

the technology is too difficult.