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Tcecarenko [31]
3 years ago
12

Question 8 of 30

Biology
1 answer:
beks73 [17]3 years ago
4 0

Answer is A . Nitrogen i think because it express of genetic information

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Describe ways that a human society's culture, agricultural practices, and health practices would be shaped by living in an area
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Active volcanoes can affect the properties of the soil (e.g., pH) and therefore may alter agriculture and health.

<h3>What are active volcanoes?</h3>

Active volcanoes are geological formations that have regular cycles of eruptions, releasing liquid magma to the Earth's surface.

These eruptions are composed of rocks (or ash weathers) that generate fertile soils, but also may affect the respiratory airways.

Volcanic eruptions have devastating consequences for human populations and lead to destruction as well as societal collapse.

In conclusion, active volcanoes can affect the properties of the soil (e.g., pH) and therefore may alter agriculture and health.

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2 years ago
If a Pacemaker is not placed in a patient, what does the heart do to compensate for that loss?
Soloha48 [4]

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When something goes wrong with the sinoatrial node, you may develop a consistently slow heartbeat (sinus bradycardia) or the normal pacemaker activity may stop entirely (sinus arrest). If sinus arrest occurs, usually another area of the heart takes over pacemaker activity. This area is called an escape pacemaker.

Explanation:

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Chemicals that are secreted from antigen-presenting cells then activate helper T cells.

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 (A) the number of cells in an organism
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