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MariettaO [177]
3 years ago
15

Which type of precipitation may contain acidic pollutants?

Biology
1 answer:
SOVA2 [1]3 years ago
4 0
The answer is rain, snow, and sleet.
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Some evidence on the safety of vaccines.
tia_tia [17]

Answer:

The safety an​d effectiveness of vaccines​ are under constant study. Because vaccines are designed to be given routinely during well-child care visits, they must be extraordinarily safe. Safety testing begins as soon as a new vaccine is contemplated, continues until it is licensed, and is monitored indefinitely after licensure.

Explanation:

5 0
2 years ago
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A 50-year-old male presents with hypotension, hypoxemia, and tracheal deviation to the left. tests reveal that the air pressure
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<span>In this case, the nurse would believe that the patient was experiencing Tension pneumothorax. Tension pneumothorax is the build up of air over time in a pleura space. It is generally caused by a laceration in the lung which lets air pass into the pleura space but then get stuck there. It presents a pressure which makes ventilation difficult, it cause the same effects as a one way valve.</span>
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3 years ago
The skin is protected by the action of cells that arise from bone marrow and migrate to the epidermis. Which cells serve this fu
sladkih [1.3K]

Answer:

Langerhan's cells

Explanation:

The Langerhan's cells arise from the bone marrow and migrate to the epidermis. The Langerhan's cells are the body's first line of defense and play a significant role in antigen presentation. They need special stains to be visualized and are primarily found in the stratum spinosum. These are the mesenchymal origin obtained from CD34 positive stem cells of bone marrow and are part of the mononuclear phagocytic system.

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2 years ago
Which is NOT a source of genetic variation among individuals?
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I believe its D I hope it helps
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2. What substances travel in the Xylem of flowering plants?<br>​
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Water and mineral salts
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