Ethnocentrism helps researchers avoid cultural bias when interpreting research findings.

It won't lose or gain electrons if it's a covalent bond it shares the electrons with another atom or atoms. if it is an ionic bond it will lose the 3 electrons on the outer shell and become a positively charged ion.  credit goes to @sunshinebaby of answers.yahoo.com.

The correct answer is  "c".  it is "c" because melting is an endothermic change, and endothermic get's energy from surroundings. 

"induction" is the process of charging an object without touching it.hope my answer has you : )

//(b) both involve the use of levers;