Note : The Egyptians appear to have been the first to develop a solar calendar, using as a fix point the annual sunrise reappearance of the Dog star– Sirius, or Sothis in the eastern sky, which coincided with annual flooding of the River Nile. They constructed a calendar of 365 days, consisting of 12 months of 30 days each, with 5 days added at the year’s end. The Egyptians failure to account for the extra fraction of a day, however, caused their calendar to drift gradually into erro.
Everyday Science Mcqs. Here you will find the General Science Multiple Choice Questions Mcqs are from Biology, Chemistry, Physics and Atmospheric Studies. Everyday Science Online Test 2 Mcqs Preparation Practice Questions. All Important Abbreviation related to Everyday Science in MCQs. General Science mcqs and Scientific facts MCQs. Everyday Science MCQs with Answers.
