Astudent is creating a table that compares theories, hypotheses, and laws. theory hypothesis law is supported by many observations can be tested cannot be changed explains observations in which row should the student enter “no” in the column for law?

Theory : Supported by many observations, Can be tested, 
A theory is an explanation of some phenomenon or thing and is governed by some observations.

Hypothesis: Supported by many observations, Can be tested,  Explains observation
The hypothesis is based on some reasoning or some evidence and further its is produced.

Law:  Cannot be changed, Explains observation
So, a student should enter a "No" in the column which states - Cannot be changed. 

The basic building blocks of dna and rna are nucleotides

Cis the