Answer:
DNA is a double-stranded helical polymer. It contains the sugar molecule deoxyribose, a phosphate group, and the 4 nitrogenous bases; adenine, cytosine, guanine, and thymine.
Explanation:
all member are same species
The independent variable is excessive noice exposure
The dependent variable is hearing
sorry for you having to wait so long have a mildly amazing day like me lol
option c-to test for liberation of o2 in light