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Simora [160]
3 years ago
15

Each item can be a source of indoor air pollution except

Biology
1 answer:
marishachu [46]3 years ago
6 0

Answer:

Environmental Tobacco Smoke

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Overall, how has science impacted human health?
mixas84 [53]

Answer:

The correct answer is: <em>C. Increased average lifespan to 78 in the US.</em>

Explanation:

Science has impacted human health by increasing the average lifespan to 78 in the US. Over the last couple of decades, the life expectancy of Americans has increased significantly than what it was 200 years ago. This can be attributed to:

1. Vaccinations- Since the invention of vaccinations, diseases such as tuberculosis, cholera and polio which were major causes of death 200 years ago have virtually been eradicated in the US.

2. Abundant and safer foods available- Commercial and large scale farming has made a wide variety of nutritious foods easier to obtain.

3. Improved sanitation- Safer drinking water, sewage treatment and stricter food inspection has significantly reduced the rate of illnesses due to poor hygiene and sanitation.  

In these ways, science has impacted human health by increasing the average lifespan to 78 in the US.

8 0
3 years ago
Help on 1 and 3 thanks ...
Lina20 [59]
On number one you could say dirt seeing as dirt is another word for earth because it makes up earth
7 0
3 years ago
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The stage of mitosis where the chromosomes line up at the equator
diamong [38]
The stage of mitosis where the chromosomes line up is called metaphase.
4 0
3 years ago
What is produced from any parent cell that undergoes meiosis? A. two haploid cells B. two diploid cells C. four diploid cells D.
Rainbow [258]

<span>The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell</span>
5 0
3 years ago
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The exchange of gasses in living things is called
MariettaO [177]

Answer:

Gas Exchange

Explanation:

It is diffusion that occurs in moist membranes

8 0
3 years ago
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