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damaskus [11]
3 years ago
14

What do organisms from the ocean use the carbon dioxide for?

Biology
1 answer:
arlik [135]3 years ago
7 0
Photosynthesis by tiny marine plants (phytoplankton) in the sunlit surface waters turns the carbon into organic matter. Many organisms use carbon to make calcium carbonate, a building material of shells and skeletons.
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Luden [163]
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3 years ago
Passive immunotherapy is used when:________.A. the attenuated live vaccine is too difficult to produce B. the pathogen does not
uysha [10]

Answer: D. protection against a recent infection or disease is needed immediately

Explanation:

Passive immunisation is used when there is a high risk of infection and there is insufficient time for the body to build its own immune response or to mitigate the effects of active or immunosuppressive diseases.

Passive immunisation may be offered when people are unable to synthesise antibodies and when they have been exposed to a disease to which they have no protection. example of passive immunotherapy include monoclonal antibodies (MABs) or magic bullets which targets cancerous cells.

Hence, the correct option is D.

4 0
3 years ago
Which of these would be the easiest to accelerate? A. a pencil B. a large book C. a refrigerator D. a school bus
stealth61 [152]

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8 0
4 years ago
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You discover a new type of gland associated with the skin. Chemical analysis of the product shows a secretion has a pH of 4, con
vagabundo [1.1K]
<h2>A) option is correct </h2>

Explanation:

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