Answer: a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Explanation:
It’s D
She care for the mentally ill.
<span>D. Who led the Visigoths when they invaded Rome?
</span><span>Alaric</span><span>
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Small bands of Patriots attacked British forces using the hit-and-run technique of "guerrilla warfare". This was absolutely necessary for victory because they were so outnumbered.
By eliminating competition, trusts could charge whatever price they choose
