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Because foam has many little air pockets, which reduce heat loss. Also, air is an insulator which means it is a poor conductor.

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The thoracic cavity is surrounded by a stiff rib cage while the abdominal cavity has a softer muscular wall Why?

The thoracic cavity contains the heart and lungs, both of which are constantly expanding and contracting. The ribs in the thoracic cavity serve both as protection and support, allowing the lungs to expand and contract without running the risk of putting itself into a dangerous situation, including even external threats (or more likely itself). The abdominal contents, opposingly, are more muscular and less prone to damage, and do not need such excessive protection. Moreover, other areas such as the brain are encased in a cranial cavity of bone, and like the thoracic cavity, the organs enclosed are quite fragile. The abdominal cavity, also, contains the stomach, which may expand, which is impossible when a layer of bone is surrounding it, as is expelling it's wastes into the pelvic cavity.


What is the rotating plate in a microwave called?

The rotating plate in a microwave is called the turntable. It rotates to ensure even heating of food by helping to distribute the microwave energy throughout the cavity of the microwave.


What does sound tavels even slower through?

Sound travels even slower through gases compared to liquids and solids. This is because the molecules in gases are further apart, resulting in more interactions and collisions that slow down the speed of sound waves.


How can I make the air cooler even colder?

To make the air cooler even colder, you can use an air conditioner with a lower temperature setting, increase air circulation with fans, or use ice packs or a bowl of ice in front of a fan to help cool the air further.


Why do airplanes appear to slow down after takeoff?

After takeoff, airplanes continue to gain altitude while reducing engine power to reduce noise and fuel consumption. This reduction in engine power may give the sensation of slowing down, even though the plane is actually climbing and increasing its speed. Additionally, as the plane ascends, it moves further away from the observer on the ground, which can create the illusion of decreased speed.

Related Questions

What color is a cavity?

I think it's either black or brown but the cavity filling can be silver or white or even gold and lots of other colors


Why does cavities continue to grow after a filling.?

1. It could be a new cavity. If you are still doing things that are bad for your teeth, there's no reason you won't get a cavity in that tooth again. 2. There could be a hole in the filling (even a tiny one that you can't see), where it is easy for bacteria to get in a make a new cavity. 3. Your dentist didn't remove all of the decay.


Can you fill in your own cavity or do they sell the one that your cavity filling is lost then you can go buy another filling?

Some pharmacies sell a temporary filling material that may relieve some discomfort until you can see a dentist. It is only temporary, and it does nothing to stop decay or infection. If you do not see a dentist soon, you run the risk of needing a root canal or even possibly losing the tooth.


At what age is it that you get a filling in your tooth done first with an injection for numbing?

There is no age to get a filling. Teeth only need to be filled if they have a cavity. Not everyone will get a cavity. But pretty much anytime a tooth is filled, it will need to be numbed with an injection. A child should have their first check up by age 4, in my opinion. The suggested age is; I'v heard one and three. How many one year olds will sit in a dental chair for xrays and a cleaning...? So just get children in as soon as possible for check ups. Even if it's just to get them used to going.


How many minutes does it take for a cavity filling?

Drills n' suchThe entire appointment will usually take 30-60 minutes. AnswerIf the dentist numbs you, there is a 5-10 minute wait for you to be frozen. Depending on how big is the cavity, the drilling takes between 5 and 15 minutes. Filling goes by very quickly and is only about 3-5 minutes and polishing is also about 5 minutes. It goes by very quickly and you shouldn't be nervous because it will be over before you know it.


Can I reduce emissions by getting a new catalytic converter?

In your car, the catalytic converter is the part that converts the toxic waste in your car into exhaust. By adding substances such as vanadium, you can reduce the waste put out by your car, and reduce your carbon footprint. You can reduce your emissions even further by using unleaded gas, which puts out less toxins when it burns.


Why is my dishwasher filling with water when it is turned off?

Your dishwasher may be filling with water when turned off due to a faulty water inlet valve that is not closing properly. This can cause water to continuously flow into the dishwasher even when it is not in use. It is recommended to have a professional inspect and repair the water inlet valve to prevent further issues.


What is the cream for Macaroons filling?

It can be a range from buttercream to jam or even ganache


Where are cng filling station between delhi to nainital?

There are not any, not even one.


Does the thoracic cavity change size and shape?

As you grow, of course the chest cavity changes shape as you grow. The thoracic cavity does change shape internally, even when the rib cage does not appear to move. The thoracic diaphragm is most important in breathing, and does much of our breathing.


Can you take out a cavity?

A cavity, no matter what kind it is, is a hole. You cannot take out a hole, but you can fill it up. In the case of a tooth cavity, the dentist drills and picks out all of the rotten tooth, right down to good solid material. Then he swabs the cleaned cavity with a liquid to plug up the tiny tubules inside, and also to discourage bacteria growth. Then he packs it full of a silver mixture which is the best material for a long-lasting filling. So . . . no, I cannot take out a cavity because I am not a dentist.


What advice is available to assist with email management?

If you want to remain more organized, setting up several folders and placing e-mails corresponding to those folders into them as soon as you get them can help reduce clutter in an Inbox. Also, update the definitions for your Spam filter to reduce clutter even further.