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How Wildfires and Ozone led to Terrible Air Quality in US Cities

4,925 views

NOVA PBS Official

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

97%
  • 5:57 / 6:06

Speech Rate:

  • 163 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

wildfire

/ˈwīldˌfī(ə)r/

noun

Raging and rapidly spreading large fire.

colorado
proper noun

A state in the central US; population 4,939,456 (est. 2008); capital, Denver. Colorado extends from the Great Plains in the east to the Rocky Mountains in the west. Part of it was acquired by the Louisiana Purchase in 1803 and the rest ceded by Mexico in 1848. It became the 38th state of the US in 1876..

struggled

/ˈstrəɡəl/

verb

make forceful or violent efforts to get free of restraint or constriction.

sources

/sôrs/

noun verb

place, person, or thing from which something comes or can be obtained. obtain from particular source.

exposure

/ikˈspōZHər/

noun

Allowing light through a cameras lens onto film.

quality

/ˈkwälədē/

noun

Feature associated with someone or something.

particulate

/pärˈtikyələt/

adjective noun verb

relating to or in form of minute separate particles. matter in form of minute separate particles. Microscopic particle.

affecting

/əˈfektiNG/

adjective verb

touching emotions. To cause a change in something else.

happens

/ˈhapən/

verb

To take place or occur.

throughout

/THro͞oˈout/

adverb preposition

From the beginning of something until the end. Over/across an entire place/thing; in every part.

western

/ˈwestərn/

adjective noun

Movies often about cowboys in the American West. film, television drama, or novel about cowboys in western North America.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. From the beginning of something until the end. By a particular way or process; by the use of.

blanket

/ˈblaNGkət/

adjective noun verb

total and inclusive. Piece of cloth you covers yourself with in bed. To cover something completely so it cannot be seen.

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