Answer:
Procedure.
Explanation:
A procedure is a process by which the hypothesis is tested under controlled [variables].
Could be experiment, could be experimental design. This question is a little confusing, but that's okay. I tried my best.
Answer:
The Anwser Is Chelmno
Explanation:
On the 8th of December 1941, the first extermination centre, or death camp, was put into operation. This was called the Chelmno Extermination Camp, and used gas vans to take the lives of its victims. These gas vans were airtight due to hermetic sealing, and used the engine’s exhaust pipe bent into the interior of the van to gas Jewish prisoners to death. Jews were told that they were being transported to other locations, before the gas would emerge.
Resurgences of the Black Death were common in medieval times. After the initial devastation, further generations endured outbreaks through the rest of the fourteenth century. Recurrences continued into the fifteenth century, though less frequently, until the threat of plague was no longer a constant shadow over daily life.
Answer:
Opium War that was fought between China and Great Britain. This was due to the growing problem caused by the Opium trade by the British. This alarmed the Chinese and they destroyed some of the opium being sold by the British. This led to war in which China was defeated.
<u>hope this helps</u>
give brainliest if you please
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