The answer to this question is D
A: Tundra
Today, Canada's arctic tundra is home to more than 100.000 people, the vast majority identifying as First Nations, Inuit and Métis.
Answer:
health person who can socialize with another people
I believe there is something wrong with the experiments.
First of all, there is no control group which make the researcher able to distinguish which variables are the one that would change the nature of independent variable. The second reason is because there is biased or non representative sample in the study ( only from colleagues in the same field)
