54.868% because well la la la (sorry had to be 20 characters)
Answer: B. Allow light to pass through. :)
Buoyancy is considered a physical property. It is a type of physical property because it is related to the density and weight of the item, which are both physical.
The correct answer is D
a polymer is a substance made up of large molecules with repeating sub units called monomers.
A is incorrect because its a ring structure which means it cannot form the long chain that is exhibited by polymers.
B is incorrect because the double bonds will cause saturation, hence no monomer can bond to another monomer to form the large molecule.
C is incorrect because the large molecule has repeating sub-units hence only specific types of molecules can be present, and it is usually carbon and hydrogen.
A positive change atom of hydrogen-ion. A normal hydrogen atomic nucleus