Answer:
keratin
Your nails are made of keratin
Keratin is a type of protein that forms the cells that make up the tissue in nails and other parts of your body.
Explanation:
Answer:
In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals. Water, light, wind, soil, humidity, minerals, gases.
The events that lead to genetic drift are Natural disasters, and reduce of population
This whole is experiment is called the Kirby Bauer disk diffusion method. It is testing the susceptibility of microorganisms to disinfectants to see which disinfectant works the best against killing the bacteria.
By asking which is the control it would mean the experiment is unaffected and kept the same.
That means the answer is C because water does not affect the bacteria
