Tag Archives: Carbon Dioxide

Think – Today: Why Do We Have A 24-Hour Day?

by Anura Guruge


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sundialWhy 24? Why wasn’t it 20? Have you ever wondered? Pretty important to our lives. Most of us are slaves to time, but we are so busy that we never get a chance to think as to how time, as we know it, came to be.


Think first, then research, then THINK again. Think for the pleasure of thinking.


Yesterday’s ‘Think’: “Changes in the composition of the atmosphere” — 99% of our current atmosphere is made up of two gases: Nitrogen (78%) & Oxygen (21%). All the other gases, including the Carbon Dioxide (that gets talked about so much in the context of climate change), fall within the remaining 1%! Carbon Dioxide, right now, only accounts for about 0.037%. As far as scientists have been able to determine, this 99% Nitrogen/Oxygen composition, possibly with some ‘small’ variations, has been around for the last 200 million years! WOW. In the ‘early days’ and we are talking maybe a billion years ago there was much more Carbon Dioxide and considerably less oxygen. Photosynthesis by plants, where they absorb Carbon Dioxide and release oxygen, was a factor in changing the composition of the atmosphere.


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by Anura Guruge

Think – Today: Why Is The Amazon River Called As Such?

by Anura Guruge


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amazonrivermap-svgVery simple. The huge river in South America — the Amazon. Why is it called that?


Think first, then research, then THINK again. Think for the pleasure of thinking.


Yesterday’s ‘Think’What happens to the fat that you lose/burn during dieting. It is expelled from the body in the form of Carbon Dioxide and water (mainly in sweat and urine). There can also sometimes be some Ketones that are expelled — that produces bad breath. This YouTube video explains more and is quite entertaining.


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by Anura Guruge