Oxygen is a colorless, odorless, tasteless gaseous chemical element which appears in great abundance on Earth, trapped by the atmosphere. Many people are familiar with oxygen, because it is a vital component of the respiration process; without it, most organisms will die within minutes. A number...
In photosynthesis, what is the source of oxygen? A. water B. carbon dioxide C. sunlight D. chlorophyll 相关知识点: 试题来源: 解析 A。在光合作用中,氧气的来源是水(water)。二氧化碳(carbon dioxide)是光合作用的原料之一,但不是氧气的来源。太阳光(sunlight)是光合作用的能量来源。叶绿素(chlorophyll)...
What is water composed of? Importance of Water: Water is one molecule that is absolutely necessary for life on Earth. In fact, when scientists search for life on other planets, they first look for traces of water. Although living things have different needs regarding nutrients and oxygen, wate...
A mineral composed of Sodium chloride that naturally occurs as colorless, cubic crystals. Halite is found in dry lakebeds, in underground salt deposits and
be composed of sth to be formed from various things Air is composed mainly of nitrogen and oxygen.The committee is composed of MPs,doctors,academics and members of the public.The audience was composed largely of young people.comprise to have as parts or members,or to be those parts or membe...
An oxygen deficit is a type of condition in which there is a shortage of oxygen in an organism. The causes of oxygen deficit...
Oxygen injection is a technique that is used to promote the growth of beneficial aerobic bacteria in sludges and liquids. When...
doi:10.1097/00003246-199501001-00305Paradis, Norman A.Davison, Christopher M.Fuller, Jennifer A.Critical Care Medicine
After a run or workout, your body burns more calories in a phenomenon known as post-exercise oxygen consumption a.k.a. EPOC. Here's what to know about it.
Oxygen saturation levels (SpO2) between 95 to 100 percent are considered normal for both adults and children (below 95% is considered abnormal). People over 70 years of age may have oxygen levels closer to 95%. Normal oxygen saturation levels (SpO2) are between95 to 100 percent for both ad...