There are no self-sustaining fusion reactors operating in the world because there is currently a lack of .a. a way to achieve the extremely high temperatures needed for a fusion reaction. b. a method to dispose of the waste produced by fusion reactions. c. a way to contain fusion reactions. d. materials that will participate in fusion.

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

since electrons are negative the answer is neagtaive