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xenn [34]
3 years ago
6

What are air particles doing in an undisturbed state?

Biology
1 answer:
seraphim [82]3 years ago
4 0

Answer:

Air particles are a mixture of solids and liquids that are microscopically tiny and suspended by air currents. It can stay in the atmosphere for a few hours to a month or two. Their constituents can be various harmful substances such as heavy metals - lead, nickel, arsenic, cadmium or polycyclic aromatic hydrocarbons

Explanation:

Air particles, nitrogen dioxide and ground-level ozone are now considered to be the three most polluting substances in human health. Exposure during peak concentration and long-term exposure to these pollutants can cause damage from respiratory distress to premature death.

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which type of contraction allows a muscle to produce tension without changing the angle of a skeletal joint
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isometric contraction

Explanation:

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__________, harmful or helpful is considered to be the source for new alleles and a main contributor to the diversity of life.
gtnhenbr [62]
I think that the answer is B) Mutations
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Assume new techniques are developed with permit removing from a cell any desired parts or materials without killing the cell. If
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Answer:

c. Spindle fibers

Explanation:

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The human immune system fights infection by
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Answer;

Antibodies.


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