A because if u look at the other answer they don’t make senced
When prices of products are decreasing , the demand of products will be increased. Moreover, When prices of products are increasing , the demand of products will be decreased.
Answer:Internal Invalidity
Explanation:
Internal Invalidity means something else produces the outcome that is observed in a research and is a result of the conclusion made from that experiment , something else other than the actual stimulus that was meant to produce those results in an experiment. This means these result may not be a true representation of the research outcome because something else has intervened and had it effect on the participants. Dependent variable are affected by something else outside of the experimental stimulus.
"participants get more benefit from the human contact of a research " this is something else other than the clinical treatment.
Answer:
The Secretariat carries out the substantive and administrative work of the United Nations as directed by the General Assembly, the Security Council and the other organs. At its head is the Secretary-General, who provides overall administrative guidance.
Microscope, Magnifying Glass, Convex Lenses, Etc.. Many Things
