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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 evaporating water from sea water physical or chemical change?

Physical. The water is still water afterwards.

You must understand that water can be in any one of three PHYSICAL states, liquid, solid or vapor ( a gas ).

Changing physical states is not a chemical change, but a direct result of heat or cold application.

Why is clouds important?

Clouds are important because they play a crucial role in the Earth's climate system by reflecting and absorbing sunlight, helping to regulate temperatures. They also play a key role in the water cycle by storing and releasing moisture, which is essential for agriculture and ecosystems. Additionally, clouds can influence weather patterns and precipitation.

Why is the water cycle called the water cycle?

Cycles are things that repeat themselves...like a circle. The water cycle, like all other cycles, has no beginning or end.

Simply:

  • water vapour evaporates from the sea, lakes rivers and other masses of water when the water is heated by the sun.
  • The water vapour rises into the atmosphere and condenses to form clouds.
  • Water falls as precipitation ( rain snow ice etc) onto the land and ends up in the rivers lakes and sea and the process starts again.

Main parts are evaporation condensation precipitation.

This is a basic version there are other things that are sources of water such as transpiration from vegetation.

Because it is a cycle of water .First evaporation then condensation then precipitation and all over again.

The Water Cycle is called a water cycle because it's a cycle (repeating steps) and in this cycle, it's about water being 'recycled'

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What is specific humidity and relative humidity?

Relative humidity compares the amount of water vapour present in the air with the amount of water vapour that would be present in the same air at saturation.

Specific humidity is the mass of water vapour present per kg of total air.

What is a pore or hole in the leaf that allows air and water vapour in or out?

Hydathode
*
A hydathode is actually a gland that secretes water. A pore through which water vapor leaves the leaf is a stoma (plural stomata), also called a stomate. On typical leaves, most stomata are found on the underside.
You need a microscope to see stomata well. Each stoma lies between two specialized epidermal cells called guard cells.


yes it is the stoma

10.0 grams of a gas occupies 12.5 liters at a pressure of 42.0 mm Hg What is the volume when the pressure has increased to 75.0 mm Hg?

Using Boyle's Law, p1*V1= p2*V2. This means that the pressure multiplied by the volume remains constant whilst the temperature is the same.

Therefore; p1=42.0mm Hg, V1= 12.5L and so the product of the two is 525.

If the pressure is now 75 mm Hg the volume must be 525/75= 7 liters.

The 10.0 grams of gas information is not needed.

Which cloud type is made up of ice crystals?

The clouds that are made of ice crystals are the cirrusclouds.

Which type of condensation nuclei are most likely to cause clouds to form?

Aerosols, such as dust, smoke, and pollution particles, are the most common type of condensation nuclei that can cause clouds to form. These particles provide surfaces for water vapor to condense and form cloud droplets.

How does an occluded front devolope?

When a depression (or a low pressure system) forms, it usually consists of a warm front and a faster moving cold front. To the north of the warm front is the cool air that was in the area before the depression developed.

As the depression intensifies, the cold front catches the warm front. The line where the two fronts meet is called an occluded front. When an occluded front passed overhead, you feel changes in temperature and wind speed.

A cold occlusion occurs when the air behind the occluded front is colder than the air ahead of it. The cold occlusion acts in a similar way to a cold front in that the the cold air behind the front undercuts the cool air ahead of it.

The other type of occluded front is the warm occlusion.

A warm occlusion occurs when the air behind the occluded front is warmer than the air ahead of it. The warm occlusion acts in a similar way to a warm front in that the cool air behind the front is lighter than the cold air ahead of the front. This causes the cool air to pass over the top of the cold air.

Why does cold weather deflate?

i

here's a llama

there's a llama

and another little llama

fuzzy llama

funny llama

llama llama

duck

llama llama

cheesecake

llama

tablet

brick

potato

llama

llama llama

mushroom

llama

llama llama

duck

i was once a treehouse

i lived in a cake

but i never saw the way

the orange slayed the rake

i was only three years dead

but it told a tale

and now listen, little child

to the safety rail

did you ever see a llama

kiss a llama

on the llama

llama's llama

tastes of llama

llama llama

duck

half a llama

twice the llama

not a llama

farmer

llama

llama in a car

alarm a llama

llama

duck

is THIS how it's told now?

is it all so old?

is it made of lemon juice?

doorknob

ankle

cold

now my song is getting thin

I've run out of luck

time for me to retire now

and become a duck

Is it cloudy or clear prior to a cold front?

The weather before a cold front is generally warm and becomes rapidly cooler as the front arrives and occasionally is accompanied by light precipitation. Within the first hour the temperature can drop more than 15 degrees.

Are all clouds white?

Clouds take on a gray cast when they become very large and less light gets through. While any gaseous chemical can cloud, water clouds are always white unless poluted by air polution or during a sunset.

Why do very few clouds form in tropical deserts?

Rain is a factor caused by wind patterns and temperatures. In many deserts, the rain is dropped on mountains nearby, eliminating the moisture from the air before it gets to the desert area. With little moisture in the area, vegetation doesn't grow, and what does works hard to retain the moisture within the plants. The soil also does not absorb the water that does come down and it runs off and away to places were the soil is more absorbant.

When water changes from a liquid state to a solid state we say it as?

gas -> liquid = condensation

liquid -> solid = solidification (freezing)

solid -> gas = sublimation

gas -> solid = deposition

solid -> liquid = melting

liquid -> solid = vaporization

What is the amount of energy required to change a material from a liquid to a gas?

Latent Heat of Evaporation, or Evaporation Enthalpy. It is given in units of energy

over unit of mass, i.e., KJ/Kg.

What is the changing of water to liquid gas?

Is an impossible event. That would be true magic! Elements that are needed to create gas are not in water.

What process of water does water vapor rise into the atmosphere?

water rises into the atmosphere in the process of evaporation

When water vapor forms a cloud it is called a?

When water vapor forms a cloud, it is called condensation. This occurs when the air cools and reaches its saturation point, causing the water vapor to condense into tiny water droplets or ice crystals that make up the cloud.

What is a cumulous cloud shaped like?

A cumulus cloud has a flat base and a rounded fluffy appearance. The top looks like a cotton-ball and is irregular.

What word do you use to describe a gas changing back into a liquid?

Condensing (or condensation or condense), I hope this helps.

How do ice crystals form in a cloud?

When a liquid hits it's freezing point (0 Degrees Celsius) the liquid atoms start to crystallize and expand. Thus, creating ice! when the ice melts, the atoms separate again and decrease in size. Thus, liquid! There you go!