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Question 1: Why do plants need carbon dioxide for photosynthesis?
Question 2: Who is considered the 'father of modern philosophy'?
René Descartes, a 17th-century French philosopher, is often credited with being the “Father of Modern Philosophy.†His Meditations on First Philosophy continues to be a standard text at most university philosophy departments. Descartes' famous phrase "cogito, ergo sum" ("I think, therefore I am") has become the foundation of Western philosophy.
Question 3: Where did the Battle of Waterloo take place?
The Battle of Waterloo was fought near Waterloo in Belgium on Sunday, 18 June 1815. This battle marked the final defeat of Napoleon Bonaparte, who conquered much of Europe in the early 19th century.
Question 4: Why do tree leaves change color in the fall?
As daylight decreases in autumn, chlorophyll - the pigment that gives leaves their green color - begins to break down, revealing other pigments like carotenoids and anthocyanins that result in the familiar golds, oranges, reds, and purples of fall foliage.
Question 5: If a car is labeled as a "hybrid," what does it mean?
A hybrid car possesses a gasoline engine and an electric motor. Each of these can operate independently or they can work together, depending on the driving conditions. Hybrids are known for their fuel efficiency and lower emissions.
Question 6: How many pairs of chromosomes do humans typically have?
Humans typically have 23 pairs of chromosomes, making for a total of 46. One pair, known as sex chromosomes, determines an individual's gender.
Question 7: Why is the 'green room' in theatre called as such?
The term 'green room' is traditionally used to refer to a space where performers can relax when they are not on stage. Despite numerous theories, the exact origin of the term is unknown and it does not necessarily imply that the room is painted green.
Question 8: Where is the United Nations Headquarters located?
The United Nations Headquarters is situated in the Turtle Bay neighborhood of Manhattan, in New York City, United States. However, the UN also has major offices in Geneva, Vienna, and Nairobi.
Question 9: How many U.S. Presidents have won a Nobel Peace Prize?
Four U.S. Presidents have won the Nobel Peace Prize. These include: Barack Obama (2009), Jimmy Carter (2002, but not while in office), Woodrow Wilson (1919), and Theodore Roosevelt (1906).
Question 10: If you're looking at pop art, which artist might you expect to see?
Andy Warhol was a leading figure in the pop art movement. He is best known for his works that explore celebrity culture and advertising, with pieces such as the iconic "Campbell's Soup Cans" and "Marilyn Diptych".
Plants need carbon dioxide, sunlight, and water to produce glucose, a sugar that plants use as an energy source, in a process called photosynthesis. Oxygen is a by-product of this process.