4. calculate the specific heat for a 20 g piece of metal if 30 j of energy is
required to raise its temperature by 12.5 k.
a. 0.12 j/kg . k
c. 120 j/kg •k
b. 7.5 j/kg •k
d. 48 kj/kg •k

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

Which label correctly identifies what x represents in the concept map?

An area has a few days of low humidity, warm air temperature, and high air pressure. what kind of weather is this area experiencing? o fog o snow storms o sun