Why is a nuclear fusion reaction called a thermo nuclear reaction ?

What is a nuclear fission reaction ?

During a nuclear fusion reaction,

(a) What is nuclear fusion ? Give one example and write its nuclear reaction. (b) What other name is given to nuclear fusion ? Give reason.

An example of nuclear fusion reaction is

In a nuclear fusion reaction, if the energy is released then

Which of these is a fusion reaction ?

In our nature, where is the nuclear fusion reaction taking place continuously?

if in a nuclear fusion reaction, mass defect to 0.3% , then energy released in fusion of 1 kg mass

How boron isotope controls nuclear reaction?

Is the law of conservation of mass valid for nuclear reactions ?