Particulate Pollution with Diameters Less Than 2

question 32

Multiple Choice

Particulate pollution with diameters less than 2.5 micrometers are particularly dangerous because they ____.

• A)can penetrate deep into the lungs
• B)dissolve easily in water
• C)are chemically neutralized by carbon dioxide
• D)dissolve easily in water and they are chemically neutralized by dissolved carbon dioxide
• E)can cause eye irritation

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Definitions:

Neurotransmitter

A chemical substance that transmits signals across a synapse between neurons in the nervous system.

Genome

The complete set of DNA, including all of its genes, in an organism or cell.

Epigenetic Mark

A biological marker that is a result of changes in gene expression caused by mechanisms other than changes in the underlying DNA sequence.

DNA Molecule

The double-helix structure that contains the genetic instructions used in the development and functioning of all living organisms.