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valkas [14]
2 years ago
13

BRAINLIST!!!! PLEASE!!! ITS URGENT ITS DUE IN 3 HOURS HELP.

Biology
1 answer:
Marysya12 [62]2 years ago
7 0

Answer:

Biomass is carbon based and it is composed of mixtures of organic molecules containing hydrogen, normally it would include atoms of oxygen, often nitrogen and also small amounts of other atoms like such, including alkali, alkaline earth and heavy metals. Those metals are usually found in functional molecules such as the porphyrins which would include chlorophyll which also contains magnesium.

Explanation:

↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑

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It illustrates the cycling of matter, just like in a natural ecosystem.

Option D.

<h3><u>Explanation:</u></h3>

The natural stable ecosystem is defined as the ecosystem which has the members doing their part of job and each and every member contribute to the stability of the ecosystem by completing food chains.

Here in this bottle ecosystem the boy put the stones, rocks, water which gives proper nutrition to the growing plants and animals which are also introduced by the boy. The plants produce oxygen and consume carbon dioxide whereas the animals consume oxygen and produce carbon dioxide. Thus the cycle is maintained and stability is achieved.

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Match the information given with the correct stage of labor: 1st (dilation), 2nd (expulsion), or 3rd (placental).
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Answer:

The correct answer is -

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Explanation:

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stage 3. The placenta and umbilical cord expel from the mother and this is cut after the delivery.

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