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Inventions MCQs (Grade 8) From Textbook

Inventions MCQs – Certification Test 568

Seismograph Quiz (Question 568) – App & e-Book Download

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MCQ 568: First modern seismograph was patented by:

  1. Sir Walter Brattain
  2. Sir T.J Blachut
  3. Sir John Milne
  4. Sir Walter Wingfield
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Seismograph Quiz App & e-Book – Inventions Learning Guide

Free Seismograph Book App – Download for iOS & Android

The App: Seismograph Quiz App to Learn Seismograph Notes, General Knowledge Quiz App, and ARM Processors Quiz App for invention remote inventor studies.

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Seismograph Quiz App Download: iOS & Android Apps

Seismograph Quiz App

General Knowledge Quiz App Download: Android & iOS Apps

General Knowledge Quiz App

ARM Processors Quiz App Download: Android & iOS Apps

ARM Processors Quiz App

General Knowledge Quiz App Download: Android & iOS Apps

General Knowledge Quiz App

General Knowledge MCQs e-Book Download

General Knowledge e-Book PDF

General Knowledge MCQ e-Book PDF

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Seismograph Apps (Android & iOS)

8th Class Science Test Questions

8th Class Science Quiz with Answers