Why is the cell theory a theory and not a law?

the cell theory explains the natural world.
the cell theory describes the natural world.
the cell theory has not been tested enough by the scientific community.
the cell theory has not been accepted by the scientific community.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

What is the most common structure of volcanoes?

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?