Answer:
Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles. ... At high energy, the weak force and electromagnetic force are unified as a single electroweak force.
Explanation:
The common difference between them is that they are all bacteria.
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The answer to the question is B - The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.
