The discovery of penicillin is attributed to which area of chemistry

The grooves or folds of the brain are called

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.