Answer:
The correct choices are:
A. At random
D. Represent the population
Explanation:
- Random sampling ensures that every member of the population or group has an equal chance of representation.
- Random sampling eliminates the possibility of response or sample bias which gives a universal sample that uniformly represents all members of the population.
- A good sample should represent the entire population. This can be achieved by through random sampling.
- Convenience and volunteer based samples both have an increased risk of response bias. These samples will only represent selected individuals instead of the entire population.
Answer:
Yes it was quite controversial
Explanation:
Since it was considered a violation to the churches teaching of burying the dead. Many still held the church as infallible in those times and to go against that could be considered blasphemy.
<u>ANSWER:</u>
"Pheromones" is released by many mammals like cats and dogs that can stimulate a "behavioral response" in another mammal of the "same species".
<u>EXPLANATION:</u>
- By definition, Pheromones is defined as a chemical substance which is produced and released out in to the atmosphere by different types of mammals or even insects.
- Pheromones can be taken similar to hormones working outside of the body. There has been several pheromones test done in human body but there is less proof to justify it.
Answer:
Before the discovery of antibiotics, there was nothing much anybody could do. Streptococcus pyogenes caused half of all post-birth deaths and was a major cause of death from burns. Staphylococcus aureus was fatal in 80 percent of infected wounds and tuberculosis and pneumonia bacteria were famous killers.
Explanation:
A partial re-breather mask is not typically used int he prehospital setting for oxygen administration. It is initiated for variety of reasons.
Increased metabolic demand , maintenance of oxygenation while proving anesthesia. This the most common method for home use and provide flow rate of 2 to 6 liter per minute. Allowing the delivery of oxygen while maintaining the patient's ability to utilize their mouth to talk, eat, etc.
The main purpose is treatment for patient with acute respiratory failure and those with chronic lung disease and hypoglycemia. The maintain normal hemoglobin saturation so as facilitate normal oxygen delivery to peripheral tissues.
To learn more about hemoglobin here
brainly.com/question/15011428
#SPJ4
