Answer: D. Stratified
Explanation:
In the case of stratified sampling the samples are divided into parts or groups and then samples for study are randomly chosen from these groups or parts. Here Kerikeri has divided up her day into three parts and she selects the blood pressure randomly from these parts. This is the example of stratified sampling.
<span>The answer is letter C.<span>
<span>Nicotine
is not a narcotic drug. Narcotic drugs refer to drugs that are prohibited by
law and the use of which is a violation to the governmental regulations. Heroin
and cannabis are the most common narcotic drugs. These drugs could induce
severe side effects to the
body and could totally alter a person’s state of mind. It mainly
has a psychoactive compound that has sleep-inducing properties. In the US the
three primary narcotic drugs are morphine, codeine, and thebaine. </span></span></span>
Make you more able to do hard tasks in the morning, and make you feel great!