Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
Could you type out the information? It is not legible in the photo. I can answer it for you then.
Answer marzo 22. como un medio de llamar la atención sobre la importancia del agua dulce y la defensa de la gestión sostenible de los recursos de agua dulce.
Explanation:
Because they where trying to decide if African Americans where worth a count in population.
B.removal of reigning king. He and his wife were sentenced to the guillotine for crimes against the state.
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