Answer: <span>Almost every type of bacteria has become stronger and less responsive to antibiotic treatment when it is really needed.
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Answer:
D. as an arrangement of four chemical bases
Explanation:
Our DNA is made up of 4 chemical bases (adenine, thymine, guanine, cytosine).
B. Radiologist
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I would say the Geosphere, as Biosphere, Hydrosphere, and Atmosphere don't quite fit Volcanology.
