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olganol [36]
3 years ago
11

Reason why communicable deseases such and pneumonia kill fewer people today that they did in the past

Health
1 answer:
marin [14]3 years ago
6 0
Our immune systems have improved over the years due to improvements in the medical fields. I also believe your brain has a bigger effect on how sick you actually allow yourself to become
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Primary air quality standards are designed to protect the health of . people with asthma can expect clean air under the standard
Mrrafil [7]

Answer:

Primary air quality standards are designed to protect the health of

✔ children and older people

.

People with asthma can expect clean air under the

✔ primary

standards in the Clean Air Act.

✔ Secondary

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animals and crops are covered under the act’s secondary air quality standards.

8 0
2 years ago
Why are chocolate oreos good for u
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Explanation:

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Strike441 [17]

Answer: the answer is C

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5 0
2 years ago
Mercury occurs naturally in the environment, including waterways. Bacteria in the water convert mercury to methylmercury, which
horsena [70]

Answer:

Mercury exposure during pregnancy can interfere with the normal embryonic nervous system development, resulting in cognitive (brain) impairment of the child.

Explanation:

Large, predatory fish such as shark, sword fish, king mackerel, tilefish, marlin, orange roughy and bigeye tuna are recommended to be avoided during pregnancy because they may have high concentrations of <em>methylmercury. </em>

Methylmercury is ingested by the mother and then crosses the placenta to reach the embryo. It acts as a neurotoxin, <em>interfering with the proper development of the nervous system</em> during gestation.

The consequences of this exposure vary and can go from attention deficit to microcephaly; <u><em>deficits in attention, cognition and motor skills</em></u> have been observed.

Because fish are part of a nutritious and balanced diet, and provide many nutrients beneficial during pregnancy, it is not recommended to stop consumption of all fish while expecting.

In the Unites States of America, the FDA (Food and Drug Administration) and the EPA (Environmental Protection Agency) have issued advice on eating fish during pregnancy. They recommend eating 8 to 12 oz of seafood low-in-mercury per week and to avoid the large fish enlisted on the first paragraph.

3 0
3 years ago
How does pollution affect the amount of carcinogens in food sources such as fish?​
lesantik [10]

Answer:

A carcinogen can be described as any substance which can lead to cancer.

Various types of pollution produce certain kinds of ions such as metal ions which are capable of producing cancer in humans.

Studies have shown that toxic metals from waste when disposed in lakes from industries or plant areas causes the toxic metals to get accumulated in the bodies of water animals such as the fishes. These organisms when consumed by humans can cause cancer.

6 0
3 years ago
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