Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
Answer:
lates colliding causing rock to fold upward together
Rock layers tilted by vertical subsurface pressure
Vertical movements along fault lines
A block of rock lifting at the fault linevlates colliding causing rock to fold upward together
Rock layers tilted by vertical subsurface pressure
Vertical movements along fault lines
A block of rock lifting at the fault linelates colliding causing rock to fold upward together
Rock layers tilted by vertical subsurface pressure
Vertical movements along fault lines
A block of rock lifting at the fault line
Explanation:
Answer:
No one really knows the answer.
Explanation:
All the potential knowledge containing that century is lost in history.
May i please get a brainly lol
She has experienced horizontal social mobility.
It means that she has only moved horizontally - her paycheck has stayed the same, she didn't get any special promotions or anything. The only thing that changed is the place where she works - if she were given more salary, it would be a vertical social mobility.
