Here is the order:
Gene,
DNA,
Chromosome,
Nucleus,
Cell,
Organism.
[Hey if this is wrong, don't post a rude reply! Message me and I will try to correct the answer!]
Answer:
Seafloor spreading occurs along mid-ocean ridges—large mountain ranges rising from the ocean floor. The Mid-Atlantic Ridge, for instance, separates the North American plate from the Eurasian plate, and the South American plate from the African plate.
Explanation:
Hypothesis is what you think will happen before the experiment, it isn't necessarily backed up by any sources or evidence. A scientific law is the observation of a phenomenon and a theory is the explanation both can be used together to back each other up.
