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Marina86 [1]
3 years ago
6

4. Who discovered the first known case of a typhoid carrier?

Biology
2 answers:
Semmy [17]3 years ago
5 0

Answer:

mary mallon

Explanation:

Mary Mallon, the first known case of a healthy carrier in the United States, was proven responsible for the contamination of at least one hundred and twenty two people, including five dead

SashulF [63]3 years ago
4 0

Answer:

Mary Mallon (September 23, 1869 – November 11, 1938), also known as Typhoid Mary, was an Irish-born cook believed to have infected 53 people with typhoid fever, three of whom died, and the first person in the United States identified as an asymptomatic carrier of the disease pathogen, Salmonella typhi.

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Why does snakes and frog goes for winter sleep?plz help me fßi need it's and know​
pentagon [3]

Answer:

Explanation:

Snakes, like all reptiles, are cold-blooded (also known as ectothermic). This means they regulate their body temperature by lying in the sun to warm up, or moving into the shade to cool down. Snakes that live in cold climates like ours must seek refuge in a hibernaculum throughout the winter

4 0
2 years ago
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An innate behavior
Pani-rosa [81]

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A

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3 years ago
Which level of classification contains all the others?
solniwko [45]

Answer:

The answer is Kingdom .

Explanation:

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3 years ago
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dimaraw [331]

Answer:

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Explanation:

The new moon stage is the faze in which we can not see the Moon from Earth. In this stage, the Moon is lacking from the sky, or rather we can not see it because it is totally dark from the side that is facing the Earth. The reason for this is that the Moon is located between the Sun and the Earth. The Sun is making half of the Moon bright as it always does, but in this stage it is the half of the Moon that is facing the Sun, while the other half that is facing the Earth is totally dark as it doesn't receive any sunlight at that time.

8 0
3 years ago
You have been hired to forecast future population level for a small country. You know that this country currently has 25 million
Jobisdone [24]

Answer:

Explanation below

Explanation:

It should be understood that the population growth rate of a particular country can be explained or described as the increase in the number of the citizens of that country.

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In this case, the growth rate is usually calculated in percentage, so the growth rate should be around 3.5%.

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3 years ago
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