Answer:
I got you my mans
Explanation:
Identify and Describe
vvvvvvvvvvvvvvvvvvv
Photograph
vvvvvvvvvvvvvvvvvvv
Make a comparison cast
vvvvvvvvvvvvvvvvvvv
Compare under a microscope
When a phosphate group is removed from the molecule
2.0 because 2.05 is about two and a half where as 2.0 is considered to be a whole number , hope this helps