Whats the difference between whitecap and swell

Is this a single replacement reaction or there is no

Explain that newton first law,second law and third law of motion?

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.