What is one of the most important compounds of oxygen? A. Hydrogen (H₂) B. Water (H₂O) C. Carbon monoxide (CO) D. Nitrogen (N₂) 相关知识点: 试题来源: 解析 B。原因:文章中明确提到“One of the most important compounds of oxygen is water (H₂O).”。 反馈 收藏 ...
Water consists of hydrogen and oxygen inorganic compounds composed of two elements, at room temperature and pressure for the colorless, odorless liquid. Water is one of the most common substance on Earth, is important for the survival of all life, including human resources, is the most important...
It easily crosses the blood-brain barrier. And helps improve brain blood supply, boosts oxygen and glucose use by the brain, maintains healthy levels of neurotransmitters, and promotes better concentration, focus, and memory.Dosing Vinpocetine as a nootropic is 10 mg up to three times per day....
Minerals are the inorganic chemical compounds that occur naturally in the earth and in many of the items we use every day. Minerals are composed of different elements, such as oxygen, iron and sulfur. Answer and Explanation:1 The...
Answer to: Most energy production occurs during: a. Glycolysis. b. Anaerobic Phosphorylation. c. Citric Acid Cycle. d. Electron Transport. By...
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A monosaccharide is a type of carbohydrate molecule, also known as a sugar. Carbohydrates are organic molecules that are made of carbon, hydrogen and oxygen. They are needed as an energy source by living organisms. Plants make one important type of monosaccharide through the process of photosynthe...
Tooth decay, one of the most common health issues today, is caused by bacteria. The natural antioxidants in broccoli prevent bacteria from adhering to tooth enamel—reducing your risk for cavities and gingivitis. In addition, broccoli’s sulfur compounds help rid your mouth of bad breath. As if...
What two atoms are found in all organic compounds? A) carbon and hydrogen B) carbon and oxygen C) oxygen and hydrogen D) carbon and phosphorous E) oxygen and sulfur What is the name given to compounds that contain the elem...
(元素). He uses the first letter of the name,capitalized,as the symbol. For example,the symbol for hydrogen (氢) is H,for oxygen (氧)is O,for nitrogen(氮) is N. With such symbols,he can form the formulas(分子式) of compounds (化合物). As we know,the formula for water is H2O...