Engineers at a technology company are designing a new battery for the next generation of cell phones. How will knowing about the molecular structure of different metals help them choose the best materials? (4 points)

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d