Somebody i have no idea what the correct answer is! (iii) and (iv)

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

In a copper wire, a temperature increase is the result of which of the following

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.