英语语法问题We have learned that air is a mixture of gases,___oxygen,water,vapor and carbon dioxide are the most important for what they do.A.whoseB.in whichC.of whichD.where答案选的是C,想问下为什么不能选D,另外介词为什么
aindividual not fully understanding what the activity involves;a full introduction is thus required 不充分地了解什么的个体活动介入; 因而需要充分的介绍[translate] aoasys plans to use an ammonia and carbon dioxide mixture as a draw solute. when the solution is heated, the dissolved ammonium carbonat...
To understand hypoventilation, it is important to know about the process ofgas exchangethat takes place in the lungs. When people inhale, filling the lungs with a mixture of gases found in the air,oxygentravels across the mucus membranes of the lungs and into the blood, switching places with...
Is dissolving of a solid in water a chemical or physical change? Is evaporation of water a physical change or chemical change? What forms when carbon dioxide dissolves in water? When dissolved in water, acids produce what? What happens if a solute is added to a saturated solution? What is...
The main reason for its failure is oil ash that covers the sensor and reduces the ability to change fuel mixture and oxygen. How Audi checks when engine light turns on. Source: GDL Automotive FAQs 1. Can I continue driving my Audi if the check engine light comes on? While it might b...
During the ten minutes, the mixture should bubble and rise to the 1-cup mark. You can use the activated yeast in a recipe to avoid waste, provided you deduct the cup of liquid used here. Otherwise, you can be confident that another packet from the same batch is fresh and ready to use...
typically fructose. So, the next time you’re appreciating the balanced sweetness of a glass of Port or Sauternes, thank fructose. Many Champagnes and other sparkling wines get a touch of sweetness, called thedosage, added at bottling. This sweet liquor is usually a mixture of wine and ...
Air is a mixture of gases primarily nitrogen and oxygen essential for respiration, whereas the atmosphere is Earth's protective layer of gases, encompassing air, water vapor, and other components.
process of making concrete releases massive amounts of CO2 into the atmosphere, and its main component, which is a mixture of rocks, sand, water and most importantly, cement (水泥) to glue it altogether, is responsible for 7 percent of global CO2 emissions, leaving a huge carbon footprint....
This layer mostly contains a mixture of mostly nitrogen (78%), oxygen (21%), and argon (0.9%). In addition, trace gases (carbon dioxide, nitrous oxides, methane, and ozone) account for another tenth of a percent. Water vapor, dust particles, pollutants, andpollenalso can be found in ...