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7nadin3 [17]
3 years ago
7

Why is it important for soil air to contain oxygen​

Biology
1 answer:
Hunter-Best [27]3 years ago
8 0

Explanation:

because the unsworth material are so I may be challenged to to be removed

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_____currents are caused by temperature and density differences. A. Deep B. Longshore C. Tsunami D. Surface
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Your answer to your Question is ...A: deep

These currents move water masses through the deep ocean—taking nutrients, oxygen, and heat with them. Occasional events also trigger serious currents.

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Match the physical characteristics of the organisms to their purpose.
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A disease was caused by a bacterium; you want to produce a biological product to kill this bacterium. Which product you have to
makvit [3.9K]

Answer:

The product that must be produced to kill a bacterium —which causes a disease— is an antibiotic, which through biotechnology can investigate the structure of the bacterium and synthesize the chemical formula needed to produce antibiotics in high amounts.

Explanation:

Antibiotics are specific medicines for the treatment of infectious diseases, produced by bacteria. <u>Antibiotics can kill bacteria and prevent their replication</u>.

If a disease is produced by bacteria, the product that is necessary to kill those microbes is an antibiotic, for which biotechnology is useful.

By using biotechnology —a branch of biology that uses technology as a research and development tool— it is possible:

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  • <em>The synthesis and production of antibiotics on a large scale, allowing their sufficient availability for use.</em>
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Which of the following is considered a mutagen? A- DNA polymerase B- red meat C- UV light D- All of the above are correct.
rusak2 [61]
The correct answer is C. UV light.
5 0
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Oxygen and nutrient rich blood travels in
amm1812

Answer: Four pulmonary veins.

Explanation: Oxygen and nutrient rich blood will flow from the lungs back into this part called the left atrium (Or as some will call it, the left upper chamber in the heart). From there, it goes through four pulmonary veins.

Hope I could help! :)

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