C. Nitrogen dioxide, water vapor, and heat. D. Sulfur dioxide, water vapor, and heat. 相关知识点: 试题来源: 解析 B。解析:文章中提到 The wood reacts with oxygen in the air to produce carbon dioxide, water vapor, and heat.(木材与空气中的氧气反应产生二氧化碳、水蒸气和热量。)反馈 收藏 ...
Question: What is the meaning of the phrase "bush burning"? Cultivation Methods: The cultivation methods can be broadly divided into EXTENSIVE and INTENSIVE farming. The prime difference between the two is that old methods are practiced in extensive farming methods. The new and advanced way is p...
Since alkalis are formed when wood burns and are found in the ashes of wood fires, it is believed that the earliest humans noticed the unusual substances produced from fats that had dripped onto cooking fires. These early“chemists”made such discoveries by accident, and for a long time ...
Sadly, PU foam is not biodegradable, which means that it goes into ever-growing landfills. Even if it gets recycled, it is not ideal, because it will come back to us in other products. Third, upholstery foam produces deadly gases when it burns. Ignited polyfoam sofas can reach temperatures...
Question: What is a primary forest product? Primary Forest Product: We absolutely rely on woods in some way for our survival. Forests offer us with fresh air, nutrition, medication, and other resources such as timber, hay, and other natural resources, among other things. ...
s often made from the distillation of grain crops like corn or soybeans. Corn is the source material for 90 percent of the ethanol produced in the U.S., but any plant material -- collectively called biomass -- can be used to make ethanol: leaves, woodchips, wild grasses, even trees....
The best wood for smoked brisket Brisket is a dense, tough beef, so you need to use a similar wood-a wood that is dense and burns for a long time.The best choices for sirloin are oak and hickory wood. They both emit stable heat and strong penetrating smoke, and when they soften, th...
Chemical or flash burns caused by extreme heatWhat are the signs and symptoms of a corneal abrasion?Pain, redness, or swelling of the eye Difficulty opening the eye More tears than usual A feeling that you have something in your eye Blurred vision Sensitivity to bright light HeadacheHow is a...
Smoke contains solid and liquid particles which are produced when organic materials, for example, wood, tobacco, or paper, are burned. When a cigarette is lit, smoke is produced by theburning(combustion) of tobacco. Cigarette smoke contains high levels of harmful or potentially harmful chemicals,...
What Is Charcoal Made Of? Charcoal is primarily made of carbon, with a minimal amount of volatile matter and ash content. It is produced through a process called carbonization, which involves heating organic materials like wood, peat, coconut shells, or sawdust in the absence of oxygen. This ...