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sertanlavr [38]
3 years ago
11

Tobacco is an addictive ________ that speeds up the central nervous system heart and other organs

Biology
1 answer:
Taya2010 [7]3 years ago
4 0
Tobacco itself is not addictive. It contains a stimulant called nicotine, which is addictive. 
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Why was miasma theory replaced?
vredina [299]

Answer:

Miasma theory was replaced because John Snow collected data that showed that germs cause disease.

Explanation:

The theory of miasma was proposed in the past when some scientists —like doctors Thomas Sydenham and Giovanni Maria Lancisi— thought that disease was the product of emanations originated by the decomposition of organic matter. This theory was based on the fact that diseases predominated in places with poor hygienic conditions.

John Snow, an english physician, was one of the main contributors to the <u>microbial theory of disease</u>. In 1854, while a cholera epidemic was occurring, he collected data and organized it statistically and then concluded that the disease was caused by germs present in drinking water. This <u>data was contrary to the miasma theory, which would eventually be displaced by the microbial theory of the disease</u>.

5 0
3 years ago
What is a slow, continuous process while what is sudden and less frequent.
vladimir2022 [97]

Explanation:

A slow, continuous process is defined as gradualism that occurs at slow rate but at a steady pace.

For example, stripes of a tiger develop slowly and at a steady pace so that they can hide in tall grass represents gradualism.

Whereas punctuated equilibrium is a process in which there is sudden and frequent changes that results in the formation of new species.  

For example, species living in a sea for thousand of years breed and die over there and suddenly when there is change in sea level than animals must adapt represents punctuated equilibrium.



4 0
3 years ago
Read 2 more answers
2. Which of the following is NOT a weather variable? *
Bess [88]
The answer should be C/Currents
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In tissue from the intestinal epithelium of a frog, the following proportions of cells were found at each stage of the cell cycl
Alex777 [14]

Answer:

Interphase 0.90 = 18 Hours

Prophase 0.04 = 48 Minutes

Pro-metaphase 0.02 = 24 Minutes

Metaphase 0.01 = 12 Minutes

Anaphase 0.02 = 24 Minutes

Telophase 0.01 = 12 Minutes

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