Which of the following is a benefit of a scientific investigation? a. its results do not apply to real life. b. it can be performed in natural settings. c. its environment is tightly controlled. d. it requires setting up a hypothesis.

D.It requires setting up a hypothesis.

One benefit of a scientific investigation is it It requires setting up a hypothesis. This means that the objective is not. not affected by the expectations of the researcher. The method requires a systematic collection of data which are all measurable.

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

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