Nearly all life on Earth ultimately gets its energy from the sun, which gets "its"energy through nuclear fusion. <span>With the exception of hydrogen, all of the chemical elements needed for life were produced by nuclear fusion of lighter elements, either in the cores of stars or in the shock waves of supernova explosions.</span>
"To liberate conquered allies" is the one among the following choices given in the question that was the <span>purpose of the Allies' invading Italy and France. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer has come to your help.</span>
Explanation:
Earthquake waves produces two very important waves that useful in studying the composition of the earth.
These waves are P and S-waves.
- P-waves are primary longitudinal waves that propagates through any material medium.
- S-waves are secondary transverse waves that can only pass through solids but not fluids.
Using these waves we can know the composition of the earth.
