Oxygen And Nitrogen Flashcards, test questions and answers

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What is Oxygen And Nitrogen?

Oxygen and nitrogen are important elements found in the Earth’s atmosphere. Oxygen is a colorless, odorless gas that makes up about 21 percent of the air we breathe. Nitrogen is an odorless gas that makes up 78 percent of the air we breathe. These two essential gases are vital to our environment and have a number of uses. Oxygen is essential for life on Earth since all living organisms need it to survive and grow. It helps animals and plants absorb energy from their food and use it to carry out their daily activities, such as breathing and movement. Furthermore, oxygen helps break down pollutants in the atmosphere, keeping our air clean. Nitrogen is also necessary for life on Earth, although it does not directly interact with most organisms like oxygen does. Instead, nitrogen helps cycle nutrients through ecosystems by acting as a fertilizer for plants and aiding in the decomposition of dead organic matter into soil nutrients like carbon dioxide or ammonium ions. Nitrogen also plays an important role in regulating climate by trapping heat from the sun during daytime hours, then releasing it back during nighttime hours to maintain an average temperature range for different regions around the world. In addition to its importance in maintaining healthy ecosystems, both oxygen and nitrogen have many practical applications as well. Oxygen has long been used as a medical treatment for various conditions such as asthma or emphysema while nitrogen can be used to freeze food products or create inert atmospheres inside sealed containers when combined with other elements such as carbon dioxide or argon gas particles in cryogenic lab experiments where no oxidation occurs over time due too low temperatures inside these containers. Both gases can also be used together to produce nitrous oxide (laughing gas) which is often used by dentists during procedures requiring anesthesia or sedation of patients without causing any harm since this compound has no known toxic effects when inhaled at low concentrations over short periods of time. In conclusion , oxygen and nitrogen are two essential gases found naturally occurring in our atmosphere which play key roles within our environment. They help maintain healthy ecosystems through nutrient cycling processes , assist with clean air production , provide medical benefits when administered correctly , plus offer many practical applications across different industries. Without these two elements present within our atmosphere , life on Earth would be impossible .