Fast two stars orbit each other in a(n) star system. a. binary c. single b. closed d. individual

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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 does the viscosity of magma change as magma cools?