Answer:
The correct answer will be option-B
Explanation:
Chlorhexidine is an antiseptic disinfectant which is used in the hospitals before surgery to sterilize the skin and the surgical instruments.
The chemical is used on the patient and the provider to clean the wounds as it is effective on a number of microbes but ineffective on the spores of the microbes.
The structure of the chlorhexidine contains the two phenolic rings and chlorine element.
Thus, Option-B is the correct answer.
Carbon content or layer of potassium like sediments is the type of material has to be present in a rock to use radioactive dating.
<u>Explanation:</u>
- Radioactive dating is known to be the process in which the age of fossil fuels and other materials with the help of carbon content in it.
- Mostly potassium, uranium, and carbon are used for this type of process. It is a type of process in which the organic material age is determined which are younger about 50 thousand years.
- Now as a recent trend there exist a dating method called potassium-argon dating method in which the age of the rocks is found especially.
(3) environmental conditions affect gene
<span>expression</span>
Answer:
I believe the answer is Biological magnification. please tell me if I'm wrong.
There is the possibility but, it would take over 2,000 years
