Scientists around the world have been working for decades on perfecting the process of nuclear fusion in the lab. Which statement justifies this research?
Answer
A
Scientists are looking for a way to generate an unlimited source of hydrogen.
B
Scientists are looking for a way to absorb the energy produced by nuclear bombs.
C
Scientists are looking for a way to produce the uncommon noble gas helium.
D
Scientists are looking for a way to create cheap, safe, and sustainable energy.