Please rephrase the question, it doesn't make sense.
<u>Light Energy to Chemical Energy</u> is the transformation that occurs during photo synthesis.
<em><u>I hope this helps!</u></em>
Answer:
destructive force breaks down features of earth's surface/ constructive forces build up features of earth's surface
1-A
2-C
3- A
These should be the correct answers
The ratio of 
indicates the purity of nucleic acid.For pure DNA it should lie between 1.8-2.0.Whereas for RNA it should be greater than 2.
This is calculated for DNA using the given values of absorbance-
= 2.71
As the value is greater than 2.0,it reflects the RNA contamination in the sample.
