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

The correct answer is:

D.  Both of these processes can provide energy.

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop