Massive stars terminate in a brilliant explosion called a

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

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?

Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is double, what is the new force of attraction between the two objects?