Question 1: Why do most plants appear green?
Question 2: If you mix all the colors of light together, what color do you get?
When all colors of the visible light spectrum are combined, they create white light. This is because each color contributes a different wavelength, and when they all mix together, the result is the perception of white by the human eye.
Question 3: In environmental science, what does the term "carbon sink" refer to?
In environmental science, a carbon sink is a natural or artificial reservoir that accumulates and stores carbon-containing chemical compounds, effectively removing carbon dioxide from the atmosphere. Forests, soils, and oceans are examples of natural carbon sinks.
Question 4: Where is the world's largest flower, Rafflesia arnoldii, native to?
The Rafflesia arnoldii, known for its large size and pungent odor, is native to the rainforests of Sumatra and Borneo. It is a parasitic plant that has no leaves, stems or roots, and relies on a host vine for nutrients.
Question 5: When was the first known use of sign language?
The first recorded use of sign language dates back to the 5th century BC in Ancient Greece. The Greek philosopher Plato wrote about deaf people using signs to communicate. However, formal sign language systems as we know them today didn't develop until much later, in the 18th century.
Question 6: Which of the following is not one of the Five Pillars of Islam?
While charity (Zakat) is one of the Five Pillars of Islam, the other pillars are the declaration of faith (Shahada), prayer (Salah), fasting during Ramadan (Sawm), and the pilgrimage to Mecca (Hajj). The Five Pillars are the foundation of Muslim life and are mandatory acts of worship.
Question 7: What is the title of the first novel in the Harry Potter series by J.K. Rowling?
Harry Potter and the Philosopher's Stone, published in 1997, is the first novel in the Harry Potter series that introduces the young wizard Harry Potter and his friends Hermione Granger and Ron Weasley. The book was published in the United States under the title Harry Potter and the Sorcerer's Stone.
Question 8: Who was the first African American to win the Academy Award for Best Actor?
In 1964, Sidney Poitier became the first African American to win the Academy Award for Best Actor for his role in the film Lilies of the Field. He paved the way for future generations of Black actors in Hollywood.
Question 9: What is the main ingredient in the traditional Spanish dish paella?
Paella is a traditional Spanish dish that originated in Valencia. Its main ingredient is rice, which is combined with various meats, seafood, and vegetables, and flavored with saffron and other spices.
Question 10: Which city is home to the famous Sagrada Familia church, designed by Antoni Gaudí?
The Sagrada Familia is a large unfinished Roman Catholic minor basilica in the Eixample district of Barcelona, Catalonia, Spain. Designed by Spanish architect Antoni Gaudí, his work on the building is part of a UNESCO World Heritage Site.
Most plants appear green because they contain a pigment called chlorophyll. Chlorophyll is vital for photosynthesis, the process by which plants convert sunlight into chemical energy. It absorbs red and blue light from the sun, while reflecting green light, which is why most plants appear green to our eyes.