Which atom woukd tend to lose one valence electron to another atom to become stable

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

I’m stuck on this question cuz i’m stupid sksksksk

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content