The answer is Speciation cannot occur in the absence of mutation. Speciation cannot occur in the absence of natural selection
The expirement is saying show the circle of water
1.the water mocules move apart so it is a gas
2. when the water mocules build up in the cloud and the water relese
3. the rain freezes then meltes and starts all over to 1
A minimum point used for comparison i think
You are correct the answer is nuclear fusion
