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History of the Earth Part 1: Hadean, Archean, and Proterozoic Eons

122,564 views

Professor Dave Explains

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 10:59 / 11:10

Speech Rate:

  • 127 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

history

/ˈhist(ə)rē/

noun

study of past events.

geological

/ˌjēəˈläjəkəl/

adjective

Concerning studies of the Earth's rocks and soil.

ubiquitous

/yo͞oˈbikwədəs/

adjective

Found everywhere; found in many places.

comparison

/kəmˈperəsən/

noun

Act of comparing things.

timescales

/ˈtīmskāl/

noun other

time allowed for or taken by process or sequence of events. Length of time something will take.

numbers

/ˈnəmbər/

noun other verb

arithmetical value expressed by word, symbol, or figure. Symbols such as 1, 2, 56, 793. To claim to be part of a larger group, series, set.

precise

/prəˈsīs/

adjective

marked by exactness and accuracy of expression or detail.

geologists

/jēˈäləjəst/

noun other

expert in or student of geology. People who study the Earth's rocks, layers etc..

hostile

/ˈhästl/

adjective

Very difficult to live due to harsh conditions.

information

/ˌinfərˈmāSH(ə)n/

noun

facts provided or learned.

estimates
noun other verb

approximate calculation. Guesses or calculations of cost, size or value. To guess or calculate the cost, size or value of.

earliest

/ˈərlē/

adjective adverb

happening before usual time. before usual time.

planets

/ˈplanət/

noun other

celestial body moving round star. One of the bodies that orbit the sun.

appropriate
adjective verb

Right or suitable for some situation or purpose. take something for one's own use.

operates

/ˈäpəˌrāt/

verb

To control or manage something, such as a business.

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