It's possibly D.
emulsion is liquid a fine scattering of moment beads of one fluid in another in which it isn't solvent or miscible.
Answer:
Therapy, group sessions and lotions
Answer: Yes because research provides us with knowledge on various problems that we may have in society. The better we understand these problems the easier it will be to solve the problem.
Explanation:
Though research can help us solve a problem it is not the ultimate solution. You can have all the knowledge in the world but if you don’t make an active change to make the world a better place then what’s the point.