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NARA [144]
2 years ago
7

When should firefighters attempt to enter a structure when backdraft conditions are present?

Social Studies
1 answer:
Bas_tet [7]2 years ago
6 0

Only once ventilation has been achieved is the firefighters attempt to enter a structure when backdraft conditions are present.

<h3>What is the meant by ventilation?</h3>

In the workplace, ventilation is used to reduce exposure to airborne contaminants. It is widely employed to purge the air of contaminants like fumes, dust, and vapours in order to produce a secure and healthful working environment.

The alveoli are responsible for converting carbon dioxide from the atmosphere into oxygen.

Thus, Only once ventilation has been achieved is the firefighters attempt to enter a structure.

For more details about ventilation, click here:

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Which events could not be caused by a population bottleneck?
nexus9112 [7]

Answer:

Increased population size

Explanation:

A population bottleneck can be defined as the decreased in the size of population which may occur due to disaster , environmental factors or activities carried out by humans which in turn leads to reduction in population size.

Therefore INCREASED POPULATION SIZE is an events which could not be caused by a population bottleneck due to the fact that increase in population size leads to increase in the numbers of individuals or people in which this number of people can only be increased in size rather than decreased in size when been compare to population bottle neck which dramatically reduces the size of a population.

5 0
3 years ago
Read 2 more answers
What are the three main areas of public policy?.
serg [7]

The three categories of public policies are those that regulate, limit, and facilitate.

<h3>What is public policy?</h3>

Public policy is an institutionalised plan or a chosen set of features like laws, rules, guidelines, and actions to solve or address topical and real-world problems. It is regulated by a thought and commonly carried out through programmes. Public policy is a set of guidelines, directives, plans of action, and budgetary priorities affecting a particular topic that have been developed by a governmental entity or its representatives.

The following are some more strong justifications for studying public policy: to gain knowledge on how to impact public policy for the benefit of society. to create creative responses to difficult problems. to acquire the ability to view problems from a variety of angles.

<h3>What is the role of public policy and who creates public policy?</h3>

Public policy is focused on the choices that have an impact on how a political system functions, such as those that have an impact on public health care, education, and the organisation of the armed forces.

Even if ideas originate from outside of government or through interactions between government and the public, governments ultimately make policy.

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5 0
1 year ago
What power does the President have to try to get rid of laws they don’t like?
Sonbull [250]

Answer:

they can veto bills and can also make treaties with the approval of the senate ...hope it helps:)

Explanation:

8 0
4 years ago
What role did science play in the lives of maya and aztec
8_murik_8 [283]

Mayans had many breakthroughs in astronomy and mathematics. Priest studied the sky with observatories. They were able to track the movement of stars and planets with great accuracy. The Mayans used their observations to calculate the solar year. The Mayan figure for their year of 365.2420 days is amazingly precise.These calculations allowed the Mayas to create their solar calendar of 365  days. They also had a sacred 260-day calendar. Every 52 years, the first date in  both calendars fell on the same day. This gave the Mayas a longer unit of time that they called a Calendar Round. For the  ancient Mayas, this 52-year period was something like what a century is to us. The Mayas also recognized the need for zero.

One of the Aztecs’ most  remarkable technological achievements was the construction of their island city Tenochticlan. the aztecs enlarge the area of the city by creating artificial islands called chinampas. Today many people visit those chinampas and their flowers vendors. The aztecs adapted the Mayan solar and sacred calendars. The calendar was useful for farming , since it tracked the seasons. One of the most famous Aztec artifacts is a calendar called the Sun Stone. Dedicated to the god of the sun, this  beautifully carved stone is nearly twelve feet wide and weighs almost twenty-five tons. The center shows the face of the  sun god.

4 0
3 years ago
After all probabilities and payoffs are placed on a decision tree, the decision maker calculates expected values at state of nat
EastWind [94]

The statement is true.

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes its impossibility and 1 denotes its certainty.  The higher an event's probability, the more likely it is that it will occur. A straightforward illustration is tossing a fair (impartial) coin. The chance of both outcomes ("heads" and "tails") is equal because the coin is fair, "heads" is more likely than tails.

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3 0
2 years ago
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