References
10 - https://www.quora.com/Is-it-possible-that-earth-could-have-had-two-summers-in-a-year
https://www.livescience.com/18972-earth-seasons-tilt.html
http://www.abc.net.au/news/science/2017-09-01/seasons-and-their-changes-explained/8858776
9 – https://www.quora.com/What-would-happen-if-the-oxygen-level-on-earth-decreased-by-75-How-would-the-environment-change-and-how-would-human-and-animals-cope
https://worldbuilding.stackexchange.com/questions/4600/what-would-happen-if-the-oxygen-levels-decreased-by-15-percent
8 - http://earthsky.org/earth/why-do-bees-die-after-they-sting-you
https://www.forbes.com/sites/quora/2015/11/16/how-and-why-honey-bees-make-the-ultimate-sacrifice-when-they-sting-you/#6672498b6346
https://www.buzzaboutbees.net/do-all-bees-die-after-they-sting-you.html
7. How did the first person who created the clock know what time it was?
https://www.egardwatches.com/blogs/news/how-did-people-tell-time-before-clocks
https://sites.google.com/a/brvgs.k12.va.us/wh-14-sem-1-greece-ogm/water-clock
http://www.historyofwatch.com/clock-inventors/who-invented-clock/
6 - https://www.quora.com/Why-is-obscuring-a-persons-eyes-an-effective-way-of-hiding-their-identity
http://www.abc.net.au/mediawatch/transcripts/s3542172.htm
5 - http://www.bigcat.org/news/the-truth-about-bears-and-hibernation
https://www.quora.com/What-happens-if-you-wake-up-a-hibernating-bear
http://www.dailymail.co.uk/sciencetech/article-2026862/Let-sleeping-bears-lie-Even-hibernating-sense-presence-humans.html
https://www.reddit.com/r/askscience/comments/27oeiq/can_an_animal_in_hibernation_be_woken_up_if_so/
4 - http://curious.astro.cornell.edu/about-us/39-our-solar-system/the-earth/other-catastrophes/64-what-would-happen-if-the-gravity-on-earth-was-suddenly-turned-off-beginner
http://www.bbc.com/earth/story/20160212-what-would-happen-to-you-if-gravity-stopped-working
https://science.howstuffworks.com/environmental/earth/geophysics/what-if-zero-gravity.htm
3 - https://wonderopolis.org/wonder/what-makes-your-stomach-growl
https://www.scientificamerican.com/article/why-does-your-stomach-gro/

2- https://www.extremetech.com/extreme/175996-can-a-loud-enough-sound-kill-you
https://science.howstuffworks.com/can-sound-wave-kill.htm
https://fivethirtyeight.com/features/the-loudest-sound-in-the-world-would-kill-you-on-the-spot/
1 - https://www.quora.com/Why-is-it-hard-to-breath-when-air-is-blowing-in-your-face
https://www.reddit.com/r/NoStupidQuestions/comments/25upl9/why_is_it_so_hard_to_breathe_when_wind_is_blowing/
https://www.thenakedscientists.com/forum/index.php?topic=43382.0