Answer:
B). A Cross-sectional research design.
Explanation:
A cross-sectional research design is demonstrated as a kind of observation study that involves the study and analysis of a representative subset from the population at a particular point of time.
In the given example, Tucker is employing 'cross-sectional research design' as he selects a representative subset('a group of 5-year-olds, a group of 10-year-olds, and a group of 15-year old) from the population at the same time for study and analysis(by interviewing them) . This implies that Tucker adopts a '<u>cross-sectional research design</u>.'
This one is jurisdiction and its the power or right to hear and decide on a case.
Answer:
An important issue facing the country today would be, whether we should open the US Economy or not. Due to the pandemic, there are multiple perspectives upon this, as some might say, no we have to stay safe meanwhile others say yes, lots of people are losing jobs. To come up with an answer to this dilemma I think creating a new executive department called the US Economy Judgment would be the best idea. Some of the tasks that this new executive department could do are discussing and debating about when to shut down or open up the economy, how it should run during certain time periods, and improvements concerning the economy.
The final dilution if a technologist adds 200 mL of patient sample to 600 mL of saline would be 1:3. Thus, the correct option is A). 1:3
<h3>What is the saline made of?</h3>
Saline is a mixture of salt and water. Saline is called a normal saline solution because it consists of its salt concentration that is similar to tears, blood and other body fluids.
Saline is composition of sodium chloride and water which has various uses in the terms of medicine.
Basically, saline is used for cleaning the wound, blood, for removing the eye lenses etc. and it is also called isotonic solution.
Complete question:- What is the final dilution if a technologist adds 200 mL of patient sample to 600 mL of saline?
a. 1:3
b. 1:4
c. 2:6
d. 1:2
Learn more about saline solution here:-
brainly.com/question/28273125
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