That statement is False.
If the researcher is using random sampling, All subjects that chosen for the study had equal responsibility of being chosen
When the researcher determines that the amount of female and male subjects, must be the same, the research no longer has the equal opportunity for all the test subjects to be chosen.
I believe the answer is: Snus
Snus does not necessarily healthier compared to the tobacco that people usually smoke.
But, one thing that makes snus superior compared to smoked products is that it would not cause other people around the user to have second-hand smoking and the health damage only occurs to the users
I believe the answer is c.
Answer:
The resources in a region help people decide which crops to grow and which goods to produce. ... Specialization results when people make goods using the resources they have. Today all regions of the United States are interdependent. People trade with other regions for goods and services they do not have.