Scientific endeavor should only be pursued after known tradeoffs associated with the research have been considered.

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Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

What is a possible result of higher air temperature caused by global warming

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?