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.
3 <span>Availability of free farmland in the Mississippi River Delta Region </span>
I think global warming I'm not sure
Answer:
Option C: FILIBUSTERING
Explanation:
filibustering is simply an a formal and public act or way of preventing a bill to be voted on in the senate debate. It usually entails an active serving senator taking the floor for debate and talks as long as he can, for, as long as a senator has the floor, the bill in question cannot be voted on.
It is only used in the senate due to the fact that the senate does not share a time limit on how long the bill can be debated on.
ISIS stand for Islamic<span> State of </span>Iraq<span> and Syria, so Iraqi and Syria </span>
