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slavikrds [6]
3 years ago
11

Which method used to attack ground cover fires is generally used against fires that are very hot, very big, and very fast?

Chemistry
1 answer:
AURORKA [14]3 years ago
6 0

Answer:

Indirect attack (ground cover)

Explanation:

Indirect attack (ground cover) is a method of controlling a groundcover fire whereby the control line is erected or situated at a remote from the main fire edge, and the fuel between the two points was burned.

The indirect attack is set up at some distance

from the raging fire. The indirect attack method is normally used to put out

fires that are too fast, too big or too hot for a direct attack method to work.

adjustments can be made when required

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rewona [7]
Idk duno sowwy OK sorry
8 0
3 years ago
A metal entrance door swings freely in the winter, but when
ivann1987 [24]

Answer:

This phenomenon occurs because the door, being metal and leading to changes in temperature, undergoes proportional and morphological changes, metals face expansion and expansion in the presence of heat, called thermal expansion.

On the other hand, against the cold, thermal contraction is suffered, that is why its volume decreases, and it contracts.

Explanation:

The expansion phenomenon of the door is not linear, since it increases its volume in width and height, therefore simultaneously on the entire surface.

When an area or surface expands, it does so by increasing its dimensions in the same proportion. For example, a metal sheet increases its length and width, which means an increase in area. Area dilation differs from linear dilation in that it involves an increase in area.

The area expansion coefficient is the increase in area that a body of a certain substance experiences, with an area equal to unity, as its temperature rises one degree centigrade. This coefficient is represented by the Greek letter gamma.

Regarding shrinkage, a clear example of this is when a metal foundry or a weld shrinks, sometimes it is difficult to understand with examples like these (doors) because it is little noticeable by our eyes and the dimensional changes for our perspective. it is infima.

3 0
3 years ago
Which structure is responsible for bringing in the amino acids? (Points : 1)
Rainbow [258]
Well the answer to number 1 is definitely B
 
number 2 is B

number 3 is D

Number 4 is C

Hope this helps:)



5 0
3 years ago
Read 2 more answers
Write equation to represent the Hydrogenation reactions​
garik1379 [7]

Explanation:

vegetable oils have long unsaturated carbon chains which can converted into vegetable ghee

4 0
3 years ago
What is the total pressure of air in lungs of an individual with oxygen at 100. mmHg, nitrogen at 573 mmHg, carbon dioxide at 0.
ryzh [129]

Answer: The total pressure of air in lungs of an individual is 760.28 mm Hg

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_A+p_B+p_C...

Given : p_{total} =total pressure of gases = ?

p_{O_2} = partial pressure of oxygen = 100 mm Hg

p_{N_2} = partial pressure of nitrogen = 573 mm Hg

p_{CO_2} = partial pressure of Carbon dioxide = 0.053 atm = 40.28 mm Hg(1 atm = 760 mmHg)

p_{H_2O} = partial pressure of water vapor = 47 torr = 47 mm Hg  (1torr=1 mm Hg)

putting in the values we get:

p_{total}=(100+573+40.28+47)mmHg

p_{total}=760.28mmHg

Thus the total pressure of air in lungs of an individual is 760.28 mm Hg

5 0
3 years ago
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