Consider the following statements. A. Heat flows from an object in liquid state
to an object in solid state;
B. Heat flows from an object at higher tem-
perature to an object at lower tempera-
ture;
C. Heat flows from an object with higher
thermal energy to one with lower ther-
mal energy
Which statements are true?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)