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Airida [17]
3 years ago
6

Question 5

Biology
1 answer:
mel-nik [20]3 years ago
5 0

Answer:

rjghghgh

Explanation:

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Explain the difference between fire resistance and flame spread. describe the hazards firefighters should be aware of during the
Kaylis [27]

Fire resistance is where the amount of time that material has withstood a standard fire exposure whereas flame spread is the speed at which a flame spread along the surface of a specific material and is considered as the difference between fire resistance and flame spread.

Fire resistance is the resistance to fire that is for a particular specified time and is under circumstances of standard heat intensity. It will not structurally fail or else allow the transition of heat and also not permit the side away from the fire so as to become hotter than a temperature that is specified well.

Flame spread is described as the surface burning characteristics enhanced by building materials. It is the most tested property of the fire performance of a material.

Firefighters should be aware of the growth and spread of a fire as they face respiratory hazards in emergency situations which include oxygen deficiency,  temperature elevation, smoke as well as toxic atmospheres. This can also affect both the physical and mental effects of the firefighter and would be worse if proper respirator precautions are not followed.

This indicates that firefighters are regularly exposed to certain concentrations of hazardous materials that include carcinogenic products such as carbon monoxide, benzene, sulphur dioxide, hydrogen cyanide, aldehydes as well as particulates.

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1 year ago
How long does your cerebrum take to fully develop?
crimeas [40]

Answer:

about nine mouths hope this helps

Explanation:

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3 years ago
When the concentration of a substance higher on one side of the cells selectively permeable membrane, certain molecules may move
grin007 [14]

Answer:

A.

Explanation:

osmosis and diffusion are both passive transport bc it doesnt require energy and only moves down cocentration gradient, never against concertration gradient. Give me a brainliest if i helped! ♡

8 0
3 years ago
What is the light and porous material at the center of bone.
Ostrovityanka [42]

Answer:

Spongy or cancellous tissue – the porous, honeycombed material found inside most bones, which allows the bone to be strong yet lightweight.

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A patient wearing a ________ monitor wears a small portable ecg monitoring device for a period of 24 hours
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