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How aree Poland people hurt and helped by coal?
they r helped by coal because it is their major energy source
How are porous materials used as thermal insulators?
actually the insulator is the dead air in the pores a better insulator is vacuum (only radiation) air has conduction convection and radiation air is easier to handle near sea level
What became an important source of power during the industrial revolution?
Coal, which created steam, and massive amounts of land and air pollution.
What happens to thermal energy in beakers as the water cools down?
due to convection, the movement of energy through a fluid or air, and also the first law of energy conservation, the thermal energy has convects throught the air to cooler regions, therefore cooling the beaker
What was the air like in 1800's London?
Polluted The coal smoke mixed with the natural fog to make a horrible smog that was only cleared by the constant rains
What are some of the working conditions miners go against to?
breathing in coal air
Why can't miners work in the deep without air conditioners?
Mine air often contains pollution and gasses. The further a miner goes down the hotter it gets, so to work air conditioning or some source of air is needed. In coal mines the mining of coal produces a coal dust. The fine grains of the dust gets into the miners lungs and this eventually causes a disease that kills the person.
Why is coal a bad energy source?
Burning coal emits toxic and carcinogenic substances into our air, water and land, severely affecting the health of miners, workers and surrounding communities.
What risk did the miners have?
Miners one risks was the contamination of air this answer is correct
What is a cycle in which air is warmed and warm air rises and air is cooled and cooled air sinks?
This describes what happens in a convection cycle.
What are the connections between canaries and coal miners?
Canaries can serve as a form of alarm, signalling impure air and high carbon monoxide, because they need purer air than humans. When they appear weak or sick, it means that there's too much carbon monoxide. They were brought into coal mines for this reason.
Why is this convection?
convection occurs in fluids such as water and air
Why is convection?
convection occurs in fluids such as water and air
What does heat and energy have to do with convection?
A convection current is when hot air rises, and cool air fall, creating convection.~Britney, 7th
What is meteorology convection?
In meteorology, convection is warm air rising.
When hot air rises what is it called radiation or convection?
Convection
Why is hot sand heats the air convection?
I think you mean why does hot sand heat the air by convection... The sand is heated by the sun, and the air is touching the sand, which is hot, so by convection, the sand is heating the air.
