What is air best described?

Air is the invisible mixture of gases that surrounds the Earth. Air contains important substances, such as oxygen and nitrogen, that most species need to survive.

What are characteristics of air?

The properties of air are:
Air takes up space.Air has mass.Air is affected by heat.Air exerts pressure.Air can be compressed.Air is affected by altitude.

What is called air?

Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has mass and weight, because it is matter. The weight of air creates atmospheric pressure.

What type of mixture is air?

Air is an example of a solution as well: a homogeneous mixture of gaseous nitrogen solvent, in which oxygen and smaller amounts of other gaseous solutes are dissolved.

What is air made of?

Air is mostly gas

The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.

Is air a mixture?

Air is a mixture but not compound. Its constituents can be separated. For example: oxygen, nitrogen etc. by physical process.

What is the important of air?

Air is important for living things.

People need to breathe, and so do lots of other animals—and plants! Breathing is part of a process called respiration. During respiration, a living thing takes in oxygen from the air and gives out carbon dioxide.

Are clouds a solid liquid or gas?

The cloud that you see is a mixture of solids and liquids. The liquid is water and the solids are ice, cloud condensation nuclei and ice condensation nuclei (tiny particulates that water and ice condense on). The invisible part of clouds that you cannot see is water vapor and dry air.

Is water vapor a gas?

Clouds, snow, and rain are all made of up of some form of water. Water existing as a gas is called water vapor. When referring to the amount of moisture in the air, we are actually referring to the amount of water vapor. If the air is described as “moist”, that means the air contains large amounts of water vapor.

How are clouds formed classify them?

Clouds are classified according to appearance and height. Based on appearance, there are two major types: Clouds of vertical development, formed by the condensation of rising air; and clouds that are layered, formed by condensation of air without vertical movement.

Which is the most common gas in the atmosphere?

By far the predominant gas is carbon dioxide, making up 95.9 percent of the atmosphere’s volume. The next four most abundant gases are argon, nitrogen, oxygen and carbon monoxide.

Where does our air come from?

All of earth’s oxygen does not come from trees. Rather, the atmospheric oxygen that we depend on as humans comes predominantly from the ocean. According to National Geographic, about 70% of the oxygen in the atmosphere comes from marine plants and plant-like organisms.

Where is the top of the atmosphere?

Technically, there is no absolute dividing line between the Earth’s atmosphere and space, but for scientists studying the balance of incoming and outgoing energy on the Earth, it is conceptually useful to think of the altitude at about 100 kilometers above the Earth as the “top of the atmosphere.” The top of the

ncG1vNJzZmivp6x7or%2FKZp2oql2esaatjZympmeRnr9utdJmmZ6rpGKxpr%2FCq6CbnZRirrR5wqGcnKNdnsFuu9StZLCgkal6qr%2BMmqCrZZKawLV5w56qnKqZl7Klew%3D%3D