Which term best describes the materials that make up rocks? a. sand left by erosion b. different kinds of crystals c. layers of minerals d. compressed magma

Ineed ! it’s science and it’s due tomorrow!

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.

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?