You are looking for an element in the fourth period and a transition metal. As most have about 3 valence electrons. Gallium and Scandium work perfectly.
C Bacteria evolve and become resistant to antibiotics.
Explanation:
Bacteria are small micro-organisms found in nature. They are useful to all life and the same time can be harmful.
Bacteria can evolve and become resistant to antibiotics thereby causing serious health problems.
- Bacteria in living cells can develop resistant strains which prevents antibiotics from acting on them.
- With the passage of time, the bacteria can change their structure into that of a more resistant strain.
- This can prevent antibiotics from acting on them and by so inflict serious damage to life.
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We would all DIE and end up DEAD
