Q1 and Q1 represent ?

Explain why scientists use shared characteristics to make cladograms.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

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.