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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

large, destructive fire that spreads quickly over woodland or brush.

colorado
proper noun

A river that rises in the Rocky Mountains of northern Colorado and flows southwest for 1,468 miles (2,333 km) to the Gulf of California. It passes through the Grand Canyon..

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. To get, e.g. a raw material, from somewhere.

exposure

/ikˈspōZHər/

noun

Allowing light through a cameras lens onto film.

quality

/ˈkwälədē/

noun

standard of something as measured against other things of similar kind.

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. Over, in, across an entire thing or place.

blanket

/ˈblaNGkət/

adjective noun verb

total and inclusive. Piece of cloth you covers yourself with in bed. cover completely.

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