The answer is (b). I think
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Answer:
Use the scientific method
Explanation:
1.Make an Observation
2. Form a Question
3. Form a Hypothesis
A hypothesis is an informed guess as to the possible answer of the question. The hypothesis may be formed as soon as the question is posed, or it may require a great deal of background research and inquiry. The purpose of the hypothesis is not to arrive at the perfect answer to the question but to provide a direction to further scientific investigation.
4. Conduct an Experiment
5. Analyse the Data and Draw a Conclusion
As the experiment is conducted, it is important to note down the results. In any experiment, it is necessary to conduct several trials to ensure that the results are constant. The experimenter then analyses all the data and uses it to draw a conclusion regarding the strength of the hypothesis. If the data proves the hypothesis correct, the original question is answered. On the other hand, if the data disproves the hypothesis, the scientific inquiry continues by doing research to form a new hypothesis and then conducting an experiment to test it. This process goes on until a hypothesis can be proven correct by a scientific experiment.
Answer:
D
Explanation:
The cell wall of bacteria is mainly made up of peptidoglycans and lipid molecules while that of viruses is made up of a protein coat called a capsid. The genetic material of bacteria is mainly DNA while that of viruses varies between DNA and RNA (for retroviruses) depending on the type of virus. Bacteria can replicate outside of host while viruses cannot.
