Antibiotics only kill bacteria, not viruses. Cold, cough and flu are caused by viruses. Taking antibiotics unnecessarily can lead to resistance, making bacteria stronger and harder to treat in the future. class 8 science chapter 3 health the ultimate treasure question ...
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Single-celled organisms are tiny living beings made of just one cell. They include bacteria, protozoa and some algae. They perform all life functions within one cell and can be helpful or harmful. Class 8 Science Curiosity Chapter 3 Health: The Ultimate ...