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Clouds

A cloud is a visible body of very fine water droplets or ice particles suspended in the atmosphere at altitudes up to several miles above sea level. They are generally produced by the condensation of water vapor. Other clouds, less commonly seen, are composed of smokes or dusts.

10,186 Questions

Is a crystal a solid liquid or gas?

No, it's impossible for diamonds to be in liquid state. Diamond is just an allotrope of carbon, that is, it is made of atoms of carbon arranged in crystal structure. Some different allotrpes of carbon are: graphite, nanotubes or fullerene. Any process of trying to liquify diamond will result in destryoing the crystal structure and the result would not bear any resemblance to diamonds whatsoever. Moreover, carbon doesn't melt, instead it vaporizes.

How are these forms of preciptation ice and rain alike and different?

Ice is the solid form of water and rain is in the liquid form. Rain and ice are both forms of precipitation/water.

Who held up the sky?

Mythologically, it depends on the myth tradition you choose.

Scientifically, no-one made the sky.

It was formed as the atmosphere was formed and became able to reflect/ scatter/ diffuse light rays from the sun.

Where do global winds form?

Global winds also occur because large high- and low-pressure zones alternate from the North Pole to the South Pole about every 30° latitude (north-south location).

Both poles have high-pressure air masses (cold, dry, high pressure) and the air above the equator is a low-pressure zone (hot, moist, low pressure).

Because high pressure always invades low pressure, the resulting winds-where the high- and low-pressure zones meet-are pretty reliable.

They are known as the polar easterlies (at 60° latitude north and south); the westerlies or prevailing winds (at 30° latitude north and south); and the tropical easterlies or trade winds (at the equator, 0° latitude).

I hope this helps your question! :)

Where are clouds most likely to form?

Rainy unsettled weather forms when two air fronts meet each other. One air front is usually cold air and the other has warmer air. When these air masses meet head on it is likely there will be a thunderstorm.

How does waters state change in the water cycle?

Water changes states in the water cycle by evaporating from bodies of water and entering the atmosphere as water vapor. It then condenses in the atmosphere to form clouds, and eventually falls back to the Earth as precipitation in the form of rain, snow, sleet, or hail. This cyclical process of evaporation, condensation, and precipitation is essential for the movement and distribution of water on Earth.

How does temperature affect humidity?

Temperature does have a direct effect on relative humidity.

( just to make the water vapor move faster when war and slower when cool). As temperature goes up, the ability of the air to hold more gas goes up, so relative humidity goes down (unless more water vapor is being added). very good answer if you don't trust it. i got an A on a take home test with this answer

Temperature affects humidity when they take place in the Dew point when water vapour changes to liquid. At this temperature humidity is high. The higher the temp, the more water vapor can be carried in air.

Thus if you heat air (as is done in the winter) the relative humidity drops ... the air seems dryer even though the total amount of water vapor is unchanged.

How do you compare and contrast high pressure systems with low pressure systems?

High pressure systems generally cause drier weather and high pressure readings. however, this does not necessarily mean warmer weathers as high pressure is present all year round. In winter the land is dry but possibly frost and bitterly cold. Low pressure gives wetter weather and a lower pressure reading but not necessarily colder weather. For example monsoon seasons only occur in hot countries but are an effect of low pressure.

An extreme high pressure event, for example, is the Australian Forest Fires of 2009. An extreme low pressure event example is Hurricane Katrina of 2005.

Does blue light have a greater speed than red light?

Blue light is diffracted more than red. The way I remember is by thinking about the waves being closer together in the blue light and knowing that each wave interacts with the whatever is causing the diffraction (grating or object).

More waves in a given area means more interaction which means more diffraction.

Explain how the attractive forces between the particles in a liquid and the equilibrium vapor pressure of that liquid related?

The weaker the intermolecular forces, the easier the liquid evaporates. Higher vapor pressure the faster it evaporates. Thus, the weaker the attractive forces, the higher the vapor pressure and vice versa.

What are the three major global wind systems?

There are four basic zones, or wind systems, at Earth's surface in each hemisphere. They are polar easterlies, prevailing westerlies, doldrums, and trade winds

Why do people feel cooler on a hot dry day than on a hot humid day?

On a hot humid day the air circulation is heldup by the moisture density present in the air. the air gains weight and will not move . where as on a dry hot day the air is lighter and travels freely.

* * * * *

The air on a hot humid day holds much more moisture than on a hot dry day. As a result, your perspiration will evaporate much more quickly on a dry hot day and the process of evaporation will require heat equivalent to the latent heat of vaporisation. A lot of this heat will be taken from your body and that is why you will feel cooler.

Why are clouds blue?

clouds are blue, they are blue occasionally on a storm. Clouds are white for the most part, however they are usually grey when it rains and are occasionally blue and black when it rains out and occasionally white when it rains, but certain grey clouds known as altoculumus also are grey but don't produce rain; so technically it can't rain but you still see grey clouds sometimes black clouds don't produce rain or blue but this is rare, blue rain clouds are called culumus fractus, and culumus fractus produce rain. black clouds are called: Cumulonimbus during a storm and mostly produce lightning/thunder. Clouds can be seen as white because rain droplets form in the skies and with excessive drops form clouds, this has nothing to do with the suns light, the sun produces heat and doesn't form light, water droplets form light. Light has multiple colors involved, the colors are not that of the rainbow and also it's not white. White is a neutral party in rain storms, you will often see the sky turning grey, or occasionally blue/black. The sky is not made up of the rainbow rather, it's made up of a variety of colors, black, grey and white.

What type of air has a realative humidity of 100 percent?

That would be "dewpoint"...When the air temperature falls to the dewpoint (or dewpoint rises to the air temperature), then you have 100% relative humidity.

How can pressure change a liquid into a solid?

Liquid changes to gas when pressure is reduced and temperature is increased. When pressure on liquid is reduced, the inter molecular space increases and temperature increases the kinetic energy of the atoms. This changes liquid to gaseous state

Does the mesosphere have fewer oxygen molecules than the stratosphre?

Yes, there is oxygen in the ionosphere - but very little. You would not survive if you were exposed to it. It is the last layer of oxygen and other earth gases before you get into the magnetosphere which is in space. Hence, it is exposed to solar radiation that excites these gaseous atoms and ionizes them, effectively turning these gases, including oxygen, into plasma.

Gas form of water?

It is so obivious. the fomula of water is H2O.this formula also fits for water vapour as it is only the change in the state of matter and not the elemental formationWater Gas (not steam) is a mixture of equal parts Carbon Monoxide CO and Hydrogen H2 . it is made by passing steam over burning coal, wood or char (anything high in carbon).

Sublimation is the process of turning a liquid into a gas?

No. So, you haven't had company for a while, and when they arrive you haven't any ice, although all 3 ice trays were full just a few weeks ago! Sublimation occurs when a solid transpires directly into a gas.

Does a west wind move from west to east?

Per weather.com:

"WIND DIRECTION: The direction from which the wind is blowing. For example, an easterly wind is blowing from the east, not toward the east. It is reported with reference to true north, or 360 degrees on the compass, and expressed to the nearest 10 degrees, or to one of the 16 points of the compass (N, NE, WNW, etc.). " (emphasis added)

http://www.weather.com/glossary/w.html

What does white cloud mean in weather forecast?

It means that it's a nice day, or it's about to thunder (depending on the sky color) If the sky is blue, then it means it's a nice day. But if the sky is grey or dark, it means there's a thunderstorm coming.