Suppose that the temperature of 500 g of water changes from 25°c to 34°c over a period of
two hours. how would you calculate the temperature change of the water? find at

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?