Because you cannot test it or observe it.
A scientific theory are created through the scientific method, in the scientific method you need to be able observe it and experiment.
The point at which the sun crosses the <span>equator to make night and day the same length during the second time of the year is an equinox.</span>
Answer:
skeletal,muscular,nervous
Explanation:
Hermit crabs and giant tritons have a commensalism type of relationship.
