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Andru [333]
3 years ago
12

How many times does a child have to be vaccinated against tuberculosis​

Biology
2 answers:
aliya0001 [1]3 years ago
8 0

Answer: I believe one or twice, I don't really know though so sorry my friend.

Explanation:

andreev551 [17]3 years ago
4 0

Answer:

It's one time or maybe ttwo

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Species richness increases Select one: a. as we increase in altitude in equatorial mountains. b. as community size decreases. c.
olga55 [171]

Answer:

D) as we travel southward from the North Pole.

Explanation:

Species richness is the number of different species in a particular community. If we found 30 species in one community, and 300 species in another, the second community would have much higher species richness than the first.

Communities with the highest species richness tend to be found in areas near the equator, which have lots of solar energy (supporting high primary productivity), warm temperatures, large amounts of rainfall, and little seasonal change. Communities with the lowest species richness lie near the poles, which get less solar energy and are colder, drier, and less amenable to life. This pattern is illustrated below for mammalian species richness (species richness calculated only for mammal species, not for all species). Many other factors in addition to latitude can also affect a community's species-richness.

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what differences do you observe in the syringe or its contents before the air was pumping into the syringe and after?
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Answer:

what differences do you observe in the syringe or its contents before the air was pumping into the syringe and after?

Explanation:

When an air bubble enters a vein, it's called a venous air embolism. When an air bubble enters an artery, it's called an arterial air embolism. These air bubbles can travel to your brain, heart, or lungs and cause a heart attack, stroke, or respiratory failure.You can compress it, or squeeze it into a smaller volume. When you push on the plunger you can feel the air pushing back. When you stop pushing, the air inside the syringe will return to its original size.

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serving size is a set portion created by the government. it is the optimal amount of food/liquids to be consumed by one person.

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Lymph cells, or lymphocytes, produce specialized proteins that help fight disease, known as:
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Pathogens is the answer 
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The answer is A or C cuz it the stomach has more part to break down foods.
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