The anser is b
The anser is d my bro
A contusion occurs when a strong blow or repeated blows from an object struck the body, crushing the underlying muscle fibres and connective tissues without breaking the skin.
A contusion can vary in severity depending on the object and location of the injury. For example a contusion to the brain may cause a concussion that can cause serious symptoms that require immediate medical attention
Answer:
Basically, Its like a Different version of a gene which are called alleles. Alleles are described as either dominant or recessive depending on their associated traits
Explanation: