Which of the following is true regarding nuclear fission and nuclear fusion?
a. both of these processes can provide energy.
b. both of these processes are equally complex to control.
c. our sun's heat is an example of both of these processes.
d. nuclear fission involves combining elements, while nuclear fusion involves breaking down elements

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided