However, although better alternatives to smoking are not risk-free, the high levels of harmful chemicals in cigarette smoke come from burning tobacco. Removing the burning means significantly reducing the average levels of many of these chemicals. But what about nicotine? It’s common for people ...
结果1 题目What is the role of a catalytic converter in a car's exhaust system? A. To reduce emissions B. To increase horsepower C. To improve fuel efficiency D. To cool the E. ngine 相关知识点: 试题来源: 解析 A 反馈 收藏
The first stage is characterized by a breakdown in the body’s natural tolerance to chemicals and heavy metals. In the second stage, an ordinary exposure to an environmental compound, whether it is traffic exhaust, fragrances, a drug, or other chemical, suddenly triggers an immune response. I...
The exothermic reactions are those reactions where heat is produced. The opposite of exothermic reaction is an endothermic reaction where heat is absorbed.Answer and Explanation: In an exothermic reaction, the total energy of the reactants has more energy than the total energy of the products, ...
It's said to be made up of neural processors that are able to handle the artificial intelligence requirements of autonomous driving. The chip runs out, and may need a sophisticated internal cooling system. Safety Safety is a major focal point in the design of the Apple Car. Apple wants to...
There are three primary causes of a low oil level: leaks, attrition, and owner inattention. Oil leaks are common in older vehicles. As a car ages, so too do the engine's gaskets, seals, and other connections that prevent the oil from leaking. Ultimately, they may start to drip oil, ...
There are other indicators that suggest you have overfilled engine oil, including blue exhaust smoke, a burning smell, an oil leak, or a high reading on your oil pressure gauge (if equipped). If the engine is running rough or your check engine light illuminates, the cause may be excess ...
the fresh scent. Air fresheners have been found to contain phthalates, formaldehyde, and other harmful chemicals, and often those chemicals are not listed among the product’s ingredients as they may be considered trade secrets. One study found phthalates in 86% of the air fresheners it tested...
What a powertrain plan covers may vary depending on your provider, as well as your car’s make and model. In general, powertrain plans exclude components in the following categories: view more Note that your car’s exhaust system, which includes the catalytic converter, is covered by an emiss...
emitted from paints, cleaning products, cosmetics, air fresheners, car exhaust, fuel-burning appliances such as gas stoves, and more, according to theAmerican Lung Association. Some VOCs are harmful on their own, while others can react to other gases and form pollutants once they are in the ...