Chaitra’s
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(group member since Apr 29, 2012)
Chaitra’s
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from the Crazy Challenge Connection group.
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Duration: Sep 01, 2025 - Sep 30, 2025
Completed: 0/7
1. Vitamins are organic substances that people need in small quantities. Each has a different role in maintaining health and bodily function.
💊 Read a book with HEALTH on its main GR page, or read a short story collection or anthology.
2. Each organism has different vitamin requirements. Humans need to get vitamin C from their diets, while dogs can produce all the vitamin C that they need.
💊 Read a book with a human and a dog on the cover; post the cover, or read a book with a main character whose name starts with 'C', and tell us the name.
3. Most vitamins need to come from food because the body either does not produce them or produces very little.
💊 Read a short book (with more than 150 pages), or read a book with food on the cover, please post the cover.
4. For humans, vitamin D is not available in large enough quantities in food. The human body synthesizes it when exposed to sunlight, and this is the best source of vitamin D.
💊 Read a book with a word in the title beginning with a D, or read a non-fiction book.
5. There are currently 13 recognized vitamins.
💊 Read a book with a 1 and a 3 in the number of pages, or read a book whose author's first and last name start with a letter in THIRTEEN, post a link to the author's name.
6. Vitamins A, D, E, and K are fat-soluble. The body stores fat-soluble vitamins in fatty tissue and the liver, and reserves of these vitamins can stay in the body for days and sometimes months. Dietary fats help the body absorb fat-soluble vitamins through the intestinal tract.
💊 Read a book with a speaking character`s name starting with A, D, E, or K, or read a book that spans months, years, or even decades.
7. Water-soluble vitamins do not stay in the body for long and cannot be stored. They leave the body via the urine. Because of this, people need a more regular supply of water-soluble vitamins than fat-soluble ones. Vitamin C and all the B vitamins are water-soluble
💊 Read a book with water on the cover, post the cover, or read a light book, your interpretation, tell us why.

Duration: Sep 01, 2025 - Nov 30, 2025
Completed: 0/16
1. A hemisphere is half of a sphere. The Northern and Southern Hemispheres mark the two halves of the Earth horizontally.
🌎 Read a book showing half of something on its cover (post the cover), or a book where the first letters of all the words in the title in HEMISPHERE; (two words minimum).
2. The Northern and Southern Hemispheres are divided by an imaginary line called the Equator, located at 0 degrees latitude.
🌎Read a book with a 0 in the year of publication (tell us the year of first publication), or a book with a line dividing its cover (post the cover).
3. The Northern Hemisphere is the half of Earth that lies north of the Equator and includes all of Europe, North America, Central America, the Caribbean islands, the northern part of South America, Asia’s continental mainland, and the northern two-thirds of Africa.
🌎 Read a book set in Asia, Africa, Europe, or Central America; tell us where, or a book whose author's first and last initials are included in NORTH AMERICA; post a link to the author's page.
4. The Northern Hemisphere contains around 67% of the Earth’s land mass.
🌎 Read a book with a 67 or a 76 intact in the number of pages; post the number of pages, or a #6 or #7 series book; tell us the series’ name and position of the book.
5. The Southern Hemisphere comprises Australia, the microcontinent of Zealandia (of which New Zealand and New Caledonia are the largest parts above water), most of the Pacific Islands, most of the South American continent (roughly from the Amazon River in Brazil to the north of Quito in Ecuador), the region of Maritime Southeast Asia (including the Philippines, Brunei, East Timor, Indonesia, Malaysia, and Singapore), Antarctica, and around one-third of the African continent.
🌎 Read a book set on an island; tell us where, or a book with an author from Australia or South America; post a link to the author's page.
6. Around 87% of the Earth’s population lives in the Northern Hemisphere.
🌎 Read a book whose main character’s name starts with a letter in NORTHERN; tell us the character's name, or a book with a GR rating of 3.87 or higher; tell us the rating.
7. The Southern Hemisphere is the half of the Earth south of the Equator.
🌎 Read a book with a significant character who is from the Southern Hemisphere; tell us who and where they are from, or a book with a Q in the title.
8. The Southern Hemisphere consists of around 81% water, compared to the Northern Hemisphere, with around 60% water.
🌎 Read a book whose number of pages includes two of these numbers: 8, 1, 6, 2; post the number of pages, or a book with water on its cover; post the cover.
9. The Southern Hemisphere is only around 32.7% of Earth’s land and is home to more than 800 million people. While that might look like a large number, it is just 10-12% of the world’s population.
🌎 Read a book with a large number of pages (meaning more than 450 pages); post the number of pages, or a very liked book (with more than 150,000 ratings and an average rating higher than 4); post the rating and number of ratings of the book.
10. As the Northern Hemisphere is much more populated, it also has more vehicles and industry, so it is much more polluted.
🌎 Read a book with a vehicle on the cover; post the cover, or a book that deals with ecology in some way.
11. When it is winter in the Northern Hemisphere, it is summer in the Southern Hemisphere, and vice versa, and while it is autumn in the Northern Hemisphere, it is spring in the Southern Hemisphere and vice versa.
🌎Read a book with a season in the title or a book whose title starts with V (exclude A, An, The).
12. The Southern Hemisphere should be warmer because it has more water, and water retains heat much better than land, but the Northern Hemisphere is warmer. Research suggests this is largely due to the North Atlantic heat pump, which traps the warmer air in the north.
🌎 Read a book set in a warm climate, tell us where, or a book with a superlative in the title.
13. In the Northern Hemisphere, this air deflection to the east means that cyclones and hurricanes appear to rotate counterclockwise. In the Southern Hemisphere, currents are deflected to the west, so storm systems seem to rotate clockwise.
🌎 Read a book whose title or author’s name has at least three of these letters in it: U, T, C, K, W (any order; post the author’s name if this option is used), or a book with a character whose life is deflected by something; your interpretation, please explain.
14. People in the Northern Hemisphere don’t see the same night sky as people in the Southern Hemisphere.
🌎 Read a book with a night sky on the cover; post the cover, or a book with the word NIGHT in the title.
17. Due to the Earth’s tilted axis, the Southern Hemisphere is best for observing dense regions of stars because the galactic center of the Milky Way is directly overhead. The Northern Hemisphere faces toward the edge of the Milky Way, so the galactic center doesn’t rise as high above the horizon in the winter, and it gets washed out by the Sun in the summer.
🌎 Read a book with a star or stars in the title or on the cover; post the cover if this option is used, or a book set in space; tell us where.
16. The stars and constellations look brighter when observed from the Southern Hemisphere. This is good if you are trying to observe the center of the Milky Way and its dust clouds, but the brightness of the stars can obscure the view if you are trying to see something else.
🌎 Read a book with an Astronomer character; post the character's name, or a book with clouds, dust, or glasses on the cover; post the cover.


I can't remember Flowers, but you could use series names for Gemstones! Hope that makes some letters easy for you!
Welcome to this challenge! I've set up your thread and linked it in the participants' post.