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The cleanliness helped prevent the spread of disease. Cities built Plumbing and sewer systems and took other steps to improve public health. Medical researches developed vaccines or cures for such deadly diseases as typhus, typhoid fever, diphtheria, and yellow fever.

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Under what conditions can a scientific model or theory change?

A scientific model can change if new evidence is found. If the new evidence that has been found contradicts the model or theory then a scientific model or theory can change.


How did the germ theory change in living conditions in Europe and the US?

The cleanliness helped prevent the spread of disease. Cities built Plumbing and sewer systems and took other steps to improve public health. Medical researches developed vaccines or cures for such deadly diseases as typhus, typhoid fever, diphtheria, and yellow fever.


What was his theory of evolution?

The theory of evolution is that all living things come from other living things.


Why did the theory spontaneous generation change?

Spontaneous generation is known as abiogenesis, which is life arising from non-living material. However, this was refuted by Louis Pasteur who proved that living things arise from other living things.


Why did theory of spontaneous generation change?

Spontaneous generation is known as abiogenesis, which is life arising from non-living material. However, this was refuted by Louis Pasteur who proved that living things arise from other living things.


How ca we apply the cell theory to better understand living and non living things?

How can we apply the cell theory to better understand living and non living things


What is theory of change?

Lippitt's theory of change says that if you bring in an external change agent into a situation, then effect change will occur. The Lippitt's theory is often used in nursing to effect change in behavior.


Based upon the architecture and land ownership of the centery what can you say about the living conditions of these people and how might such conditions be a factor in the Salem witch trials?

They were rough and spartan but not bad. The only theory that the living conditions would affect is the Ergot poisoning theory. The afflicted would have ingested the Ergot fungus along with the wheat or rye from the previous harvest after a long enough time for the fungus to really grow. If the ergot really is the culprit and the living conditions allotted for better storage or fresher food, the witch panic may not have happened.


What is the theory that living things came only from living things?

This theory is known as biogenesis, which states that living organisms can only arise from pre-existing living organisms. This principle contrasts with the earlier theory of spontaneous generation, which suggested that living organisms could arise from non-living matter.


What theory says that living things are made of cells?

cell theory


The theory of biogenesis states that?

The theory of biogenesis states that living organisms arise from preexisting living organisms, rather than from nonliving matter. This theory contradicts the earlier theory of abiogenesis, which proposed that life could arise spontaneously from nonliving matter.


How did the theory of biogenesis lead the way for the germ theory of disease?

how did the theory of biogenesis lead the way for germ theory disease