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lawyer [7]
1 year ago
7

How are cats linked to the spread of the black death (bubonic plague) in europe? ansc 250

Social Studies
1 answer:
Harman [31]1 year ago
8 0

Direct touch with the lymph node material flowing from an infected cat might also expose people to the sickness. Yersinia pestis can be spread to humans by fleas carried by an infected cat biting them. If a cat has pneumonic plague, it is very simple for humans to contract it through the air.

<h3>What is plague?</h3>


The bacterium Yersinia pestis is the source of the infectious disease known as plague. Fever, weakness, and headache are symptoms. Within one to seven days of exposure, this usually starts. There are three types of plague, each of which affects a different body part and produces corresponding symptoms. Bubonic plague affects the lymph nodes, causing them to enlarge, whereas septicemic plague infects the blood and has the potential to cause tissues to turn black and die. Pneumonic plague affects the lungs, causing shortness of breath, coughing, and chest pain.While the pneumonic plague is typically communicated between people through the air via infectious droplets, the bubonic and septicemic variants are typically spread by flea bites or handling an infected animal.

To learn more about plague ,visit:

brainly.com/question/22220550

#SPJ4

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There are five one-digit numbers in a set of data . The mean of the number is 3 A mode is 1 the median is 4 what are the numbers
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Answer: the missing numbers are 6 and 3

Explanation:

Given that mean of five numbers is 3

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And median is 4, means the middle number is 4

Therefore, it can be represented as 1, 1, 4, p, q

Where p and q are the missing numbers

Mean (3) = 1 + 1+ 4+ p+ q/5

3 =6 + p + q/5

We cross multiply to give:

5 x 3 = 6 + p + q

15= 6 + p +q

Make p + q the subject :

p + q = 15 - 6

= 9

The sum of the two missing numbers equals 9, we can think of two numbers that equals 9.

However, we cannot use 5 and 4, because we already have the mode given as 1

We therefore use 6 and 3, 7 and 2 or 8 and 1

I hope this helps, please mark as brainliest answer.

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Answer:

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