On a giant pasteboard with pictures, and explanation on what each type of engineer.
A reason could be the bodies ability to process the water based vitamin as well as the person's diet. many things have b12 in it but choosing to cut something out, like meat, could cause a deficiency
Ar(Argon) have an electron affinity measuring closest to zero .
(it would be helpful if you marked me as brainliest) :)
Answer:
Viruses are tinier than bacteria. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells.
