The answer to the question of which animal inspired the design of the gas mask is the wild boar.Encyclopedia Questions and AnswersBecause the nose structure of wild boar is special.Encyclopedia Questions and Answers, can resist toxic gases, so humans use it when designing gas masksEncyclopedia Questions and AnswersGiven its characteristics, the ductility of gold is amazing. How long can one gram of gold be drawn into filaments? The correct answer is that 4000 meters of gold has extremely high ductility and toughness. Even with a very small weight, it can be drawn into very long filaments. There are many.
The following are some interesting encyclopedic questions and answers. Among the ancient poets of the Tang Dynasty, which poet was called the "Poetic Saint"? Du Fu answered. During the Ming Dynasty, there was a medical scientist named Li Shizhen. What was the name of a famous medical book he wrote? Compendium of Materia Medica-the world's first instrument for measuring earthquakes-the geodynamic instrument. Who invented it? Zhang Heng looked at whether the fish scales could know the age of the fish. The answer could be hundreds.
Life Encyclopedia Questions and Answers 100 Life Tips You Should Not Miss There are many seemingly ordinary common sense that may affect our daily lives. Did you know that in this article, we will answer 100 Life Encyclopedia questions for you, making you more comfortable in life? 1 How to properly clean battery cars Whether it is an electric bicycle or an electric motorcycle, the correct cleaning method can extend the service life of battery cars.
Chapter 1 1 Under normal circumstances, what is the water content of a watermelon? 92% 2 How long does it take for the earth to rotate once? Day 3 Under normal circumstances, how do the sounds we hear spread? Air 4 Under normal circumstances, how much water does vegetables account for? 90%5 Put a pencil into a glass of water and it looks like the pencil is bent. What is this phenomenon? Refraction phenomenon 6 White objects or black objects, which?
Food questions 1 How to choose fruits? Answer When selecting fruits, you should choose fruits that have a smooth appearance without obvious scratches and soft rotten parts, and have a natural luster. Question 2 How to store vegetables freshly? Answer vegetables should be cleaned and placed in a well-ventilated refrigerator refrigerated layer and try to avoid direct sunlight. Health questions 3 How to prevent colds? Answer: To prevent colds, you should pay attention to maintaining good personal hygiene habits.
Chapter 1 1 Everyone is afraid of wild beasts, but wild beasts also have fatal weaknesses. For example, wolves are famous for their ferocious cunning, but they are afraid of fire and bright red colors, and their waist is most afraid of beatings. What is the tiger afraid of most? A attack on its nose? Yellow color? C tits droppings? D fire? 2 Who first proposed the name of "People's Republic of China"? B A Zhang Xiruo B Ren Bishi C Mao Zedong D Zhou Enlai 3 The sea of the world?
1 Carbon monoxide burns in the air and emits blue flames, right? 2 Are sharks oviparous? 3 Turtles have the longest lifespan of animals in the world, right? 4 The rotation of the earth refers to the movement of the earth around the center of the earth, right? No? Who invented the first telescope on Earth's axis 5? Edison, right? No? Galileo 6's earliest thermometer was an air thermometer, right?
Chapter 1:1 The oranges we usually eat are the fruit part of orange trees. 2 The potatoes we buy on the market are the stem part of plant potatoes. 3 The red persimmons we buy are the fruit part of persimmon trees. 4 During the Tang Dynasty, lychee was listed as a tribute. 5 The season that requires the least water is early winter. 6 The season that requires the most water is early summer. 7 Watermelons originate in the western region of our country. 8 Watermelons are light-colored. 9 "Cold Food Festival".
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